Home / 1,224,807.90-1,837,269.45-383,387.10

Finding the Fourth Proportional to 1,224,807.90, 1,837,269.45 and 383,387.10

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Solution

The fourth proportional to 1,224,807.90, 1,837,269.45 and 383,387.10 is: 575,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,807.90 : 1,837,269.45 = 383,387.10 : x
  2. Step 2: Convert to fraction form
    1,224,807.90/1,837,269.45 = 383,387.10/x
  3. Step 3: Cross multiply
    1,224,807.90x = 1,837,269.45 × 383,387.10
  4. Step 4: Simplify right side
    1,224,807.90x = 704,385,406,354.10
  5. Step 5: Solve for x
    x = 704,385,406,354.10/1,224,807.90
  6. Step 6: Final answer
    x = 575,098.68

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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.