Home / 1,487,580.10-2,231,698.20-476,748.70

Finding the Fourth Proportional to 1,487,580.10, 2,231,698.20 and 476,748.70

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Solution

The fourth proportional to 1,487,580.10, 2,231,698.20 and 476,748.70 is: 715,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,580.10 : 2,231,698.20 = 476,748.70 : x
  2. Step 2: Convert to fraction form
    1,487,580.10/2,231,698.20 = 476,748.70/x
  3. Step 3: Cross multiply
    1,487,580.10x = 2,231,698.20 × 476,748.70
  4. Step 4: Simplify right side
    1,487,580.10x = 1,063,959,215,642.34
  5. Step 5: Solve for x
    x = 1,063,959,215,642.34/1,487,580.10
  6. Step 6: Final answer
    x = 715,228.19

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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.