Home / 1,234,875.80-1,853,480.10-762,483.80

Finding the Fourth Proportional to 1,234,875.80, 1,853,480.10 and 762,483.80

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Solution

The fourth proportional to 1,234,875.80, 1,853,480.10 and 762,483.80 is: 1,144,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,875.80 : 1,853,480.10 = 762,483.80 : x
  2. Step 2: Convert to fraction form
    1,234,875.80/1,853,480.10 = 762,483.80/x
  3. Step 3: Cross multiply
    1,234,875.80x = 1,853,480.10 × 762,483.80
  4. Step 4: Simplify right side
    1,234,875.80x = 1,413,248,549,872.38
  5. Step 5: Solve for x
    x = 1,413,248,549,872.38/1,234,875.80
  6. Step 6: Final answer
    x = 1,144,445.90

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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.