Home / 1,687,160.28-2,530,740.42-740,539.20

Finding the Fourth Proportional to 1,687,160.28, 2,530,740.42 and 740,539.20

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Solution

The fourth proportional to 1,687,160.28, 2,530,740.42 and 740,539.20 is: 1,110,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,160.28 : 2,530,740.42 = 740,539.20 : x
  2. Step 2: Convert to fraction form
    1,687,160.28/2,530,740.42 = 740,539.20/x
  3. Step 3: Cross multiply
    1,687,160.28x = 2,530,740.42 × 740,539.20
  4. Step 4: Simplify right side
    1,687,160.28x = 1,874,112,486,034.46
  5. Step 5: Solve for x
    x = 1,874,112,486,034.46/1,687,160.28
  6. Step 6: Final answer
    x = 1,110,808.80

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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.