Home / 1,331,859.60-1,997,983.80-433,148.40

Finding the Fourth Proportional to 1,331,859.60, 1,997,983.80 and 433,148.40

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Solution

The fourth proportional to 1,331,859.60, 1,997,983.80 and 433,148.40 is: 649,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,859.60 : 1,997,983.80 = 433,148.40 : x
  2. Step 2: Convert to fraction form
    1,331,859.60/1,997,983.80 = 433,148.40/x
  3. Step 3: Cross multiply
    1,331,859.60x = 1,997,983.80 × 433,148.40
  4. Step 4: Simplify right side
    1,331,859.60x = 865,423,486,195.92
  5. Step 5: Solve for x
    x = 865,423,486,195.92/1,331,859.60
  6. Step 6: Final answer
    x = 649,785.82

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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.