Home / 1,105,126.64-1,657,690.02-306,408.20

Finding the Fourth Proportional to 1,105,126.64, 1,657,690.02 and 306,408.20

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Solution

The fourth proportional to 1,105,126.64, 1,657,690.02 and 306,408.20 is: 459,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,126.64 : 1,657,690.02 = 306,408.20 : x
  2. Step 2: Convert to fraction form
    1,105,126.64/1,657,690.02 = 306,408.20/x
  3. Step 3: Cross multiply
    1,105,126.64x = 1,657,690.02 × 306,408.20
  4. Step 4: Simplify right side
    1,105,126.64x = 507,929,815,186.16
  5. Step 5: Solve for x
    x = 507,929,815,186.16/1,105,126.64
  6. Step 6: Final answer
    x = 459,612.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.