Home / 1,105,122.70-1,657,684.11-306,404.26

Finding the Fourth Proportional to 1,105,122.70, 1,657,684.11 and 306,404.26

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Solution

The fourth proportional to 1,105,122.70, 1,657,684.11 and 306,404.26 is: 459,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,122.70 : 1,657,684.11 = 306,404.26 : x
  2. Step 2: Convert to fraction form
    1,105,122.70/1,657,684.11 = 306,404.26/x
  3. Step 3: Cross multiply
    1,105,122.70x = 1,657,684.11 × 306,404.26
  4. Step 4: Simplify right side
    1,105,122.70x = 507,921,470,043.11
  5. Step 5: Solve for x
    x = 507,921,470,043.11/1,105,122.70
  6. Step 6: Final answer
    x = 459,606.40

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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.