Home / 1,154,723.26-1,732,181.80-425,445

Finding the Fourth Proportional to 1,154,723.26, 1,732,181.80 and 425,445

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Solution

The fourth proportional to 1,154,723.26, 1,732,181.80 and 425,445 is: 638,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,723.26 : 1,732,181.80 = 425,445 : x
  2. Step 2: Convert to fraction form
    1,154,723.26/1,732,181.80 = 425,445/x
  3. Step 3: Cross multiply
    1,154,723.26x = 1,732,181.80 × 425,445
  4. Step 4: Simplify right side
    1,154,723.26x = 736,948,085,901
  5. Step 5: Solve for x
    x = 736,948,085,901/1,154,723.26
  6. Step 6: Final answer
    x = 638,203.21

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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.