Home / 1,142,180.60-1,712,065.16-383,302.50

Finding the Fourth Proportional to 1,142,180.60, 1,712,065.16 and 383,302.50

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Solution

The fourth proportional to 1,142,180.60, 1,712,065.16 and 383,302.50 is: 574,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,180.60 : 1,712,065.16 = 383,302.50 : x
  2. Step 2: Convert to fraction form
    1,142,180.60/1,712,065.16 = 383,302.50/x
  3. Step 3: Cross multiply
    1,142,180.60x = 1,712,065.16 × 383,302.50
  4. Step 4: Simplify right side
    1,142,180.60x = 656,238,855,990.90
  5. Step 5: Solve for x
    x = 656,238,855,990.90/1,142,180.60
  6. Step 6: Final answer
    x = 574,549.12

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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.