Home / 885,909.60-1,328,864.40-738,943.20

Finding the Fourth Proportional to 885,909.60, 1,328,864.40 and 738,943.20

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Solution

The fourth proportional to 885,909.60, 1,328,864.40 and 738,943.20 is: 1,108,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,909.60 : 1,328,864.40 = 738,943.20 : x
  2. Step 2: Convert to fraction form
    885,909.60/1,328,864.40 = 738,943.20/x
  3. Step 3: Cross multiply
    885,909.60x = 1,328,864.40 × 738,943.20
  4. Step 4: Simplify right side
    885,909.60x = 981,955,312,102.08
  5. Step 5: Solve for x
    x = 981,955,312,102.08/885,909.60
  6. Step 6: Final answer
    x = 1,108,414.80

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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.