Home / 1,098,858.53-1,648,849.86-523,132.40

Finding the Fourth Proportional to 1,098,858.53, 1,648,849.86 and 523,132.40

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Solution

The fourth proportional to 1,098,858.53, 1,648,849.86 and 523,132.40 is: 784,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,858.53 : 1,648,849.86 = 523,132.40 : x
  2. Step 2: Convert to fraction form
    1,098,858.53/1,648,849.86 = 523,132.40/x
  3. Step 3: Cross multiply
    1,098,858.53x = 1,648,849.86 × 523,132.40
  4. Step 4: Simplify right side
    1,098,858.53x = 862,566,776,257.22
  5. Step 5: Solve for x
    x = 862,566,776,257.22/1,098,858.53
  6. Step 6: Final answer
    x = 784,966.18

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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.