Home / 1,087,335.86-1,631,046.99-339,381.86

Finding the Fourth Proportional to 1,087,335.86, 1,631,046.99 and 339,381.86

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Solution

The fourth proportional to 1,087,335.86, 1,631,046.99 and 339,381.86 is: 509,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,335.86 : 1,631,046.99 = 339,381.86 : x
  2. Step 2: Convert to fraction form
    1,087,335.86/1,631,046.99 = 339,381.86/x
  3. Step 3: Cross multiply
    1,087,335.86x = 1,631,046.99 × 339,381.86
  4. Step 4: Simplify right side
    1,087,335.86x = 553,547,761,213.60
  5. Step 5: Solve for x
    x = 553,547,761,213.60/1,087,335.86
  6. Step 6: Final answer
    x = 509,086.27

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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.