Home / 1,679,411.20-2,518,478.40-542,002.90

Finding the Fourth Proportional to 1,679,411.20, 2,518,478.40 and 542,002.90

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Solution

The fourth proportional to 1,679,411.20, 2,518,478.40 and 542,002.90 is: 812,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,411.20 : 2,518,478.40 = 542,002.90 : x
  2. Step 2: Convert to fraction form
    1,679,411.20/2,518,478.40 = 542,002.90/x
  3. Step 3: Cross multiply
    1,679,411.20x = 2,518,478.40 × 542,002.90
  4. Step 4: Simplify right side
    1,679,411.20x = 1,365,022,596,387.36
  5. Step 5: Solve for x
    x = 1,365,022,596,387.36/1,679,411.20
  6. Step 6: Final answer
    x = 812,798.32

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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.