Home / 1,386,585.55-2,079,714.30-375,644.80

Finding the Fourth Proportional to 1,386,585.55, 2,079,714.30 and 375,644.80

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Solution

The fourth proportional to 1,386,585.55, 2,079,714.30 and 375,644.80 is: 563,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,585.55 : 2,079,714.30 = 375,644.80 : x
  2. Step 2: Convert to fraction form
    1,386,585.55/2,079,714.30 = 375,644.80/x
  3. Step 3: Cross multiply
    1,386,585.55x = 2,079,714.30 × 375,644.80
  4. Step 4: Simplify right side
    1,386,585.55x = 781,233,862,280.64
  5. Step 5: Solve for x
    x = 781,233,862,280.64/1,386,585.55
  6. Step 6: Final answer
    x = 563,422.76

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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.