Home / 1,387,320.96-2,081,148.12-488,577

Finding the Fourth Proportional to 1,387,320.96, 2,081,148.12 and 488,577

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Solution

The fourth proportional to 1,387,320.96, 2,081,148.12 and 488,577 is: 732,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,320.96 : 2,081,148.12 = 488,577 : x
  2. Step 2: Convert to fraction form
    1,387,320.96/2,081,148.12 = 488,577/x
  3. Step 3: Cross multiply
    1,387,320.96x = 2,081,148.12 × 488,577
  4. Step 4: Simplify right side
    1,387,320.96x = 1,016,801,105,025.24
  5. Step 5: Solve for x
    x = 1,016,801,105,025.24/1,387,320.96
  6. Step 6: Final answer
    x = 732,924.20

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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.