Home / 1,337,585.81-2,005,957.20-438,818.12

Finding the Fourth Proportional to 1,337,585.81, 2,005,957.20 and 438,818.12

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Solution

The fourth proportional to 1,337,585.81, 2,005,957.20 and 438,818.12 is: 658,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,585.81 : 2,005,957.20 = 438,818.12 : x
  2. Step 2: Convert to fraction form
    1,337,585.81/2,005,957.20 = 438,818.12/x
  3. Step 3: Cross multiply
    1,337,585.81x = 2,005,957.20 × 438,818.12
  4. Step 4: Simplify right side
    1,337,585.81x = 880,250,367,304.46
  5. Step 5: Solve for x
    x = 880,250,367,304.46/1,337,585.81
  6. Step 6: Final answer
    x = 658,088.89

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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.