Home / 1,316,680.20-1,817,166.45-743,757.28

Finding the Fourth Proportional to 1,316,680.20, 1,817,166.45 and 743,757.28

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Solution

The fourth proportional to 1,316,680.20, 1,817,166.45 and 743,757.28 is: 1,026,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,680.20 : 1,817,166.45 = 743,757.28 : x
  2. Step 2: Convert to fraction form
    1,316,680.20/1,817,166.45 = 743,757.28/x
  3. Step 3: Cross multiply
    1,316,680.20x = 1,817,166.45 × 743,757.28
  4. Step 4: Simplify right side
    1,316,680.20x = 1,351,530,776,159.26
  5. Step 5: Solve for x
    x = 1,351,530,776,159.26/1,316,680.20
  6. Step 6: Final answer
    x = 1,026,468.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.