Home / 1,123,909.40-1,685,864.10-365,822.30

Finding the Fourth Proportional to 1,123,909.40, 1,685,864.10 and 365,822.30

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Solution

The fourth proportional to 1,123,909.40, 1,685,864.10 and 365,822.30 is: 548,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,909.40 : 1,685,864.10 = 365,822.30 : x
  2. Step 2: Convert to fraction form
    1,123,909.40/1,685,864.10 = 365,822.30/x
  3. Step 3: Cross multiply
    1,123,909.40x = 1,685,864.10 × 365,822.30
  4. Step 4: Simplify right side
    1,123,909.40x = 616,726,682,549.43
  5. Step 5: Solve for x
    x = 616,726,682,549.43/1,123,909.40
  6. Step 6: Final answer
    x = 548,733.45

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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.