Home / 916,126.20-1,374,173.10-376,265.52

Finding the Fourth Proportional to 916,126.20, 1,374,173.10 and 376,265.52

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Solution

The fourth proportional to 916,126.20, 1,374,173.10 and 376,265.52 is: 564,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,126.20 : 1,374,173.10 = 376,265.52 : x
  2. Step 2: Convert to fraction form
    916,126.20/1,374,173.10 = 376,265.52/x
  3. Step 3: Cross multiply
    916,126.20x = 1,374,173.10 × 376,265.52
  4. Step 4: Simplify right side
    916,126.20x = 517,053,956,041.51
  5. Step 5: Solve for x
    x = 517,053,956,041.51/916,126.20
  6. Step 6: Final answer
    x = 564,391.63

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Double scale
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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.