Home / 1,031,316.90-1,545,392.88-431,950.02

Finding the Fourth Proportional to 1,031,316.90, 1,545,392.88 and 431,950.02

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Solution

The fourth proportional to 1,031,316.90, 1,545,392.88 and 431,950.02 is: 647,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,316.90 : 1,545,392.88 = 431,950.02 : x
  2. Step 2: Convert to fraction form
    1,031,316.90/1,545,392.88 = 431,950.02/x
  3. Step 3: Cross multiply
    1,031,316.90x = 1,545,392.88 × 431,950.02
  4. Step 4: Simplify right side
    1,031,316.90x = 667,532,485,423.86
  5. Step 5: Solve for x
    x = 667,532,485,423.86/1,031,316.90
  6. Step 6: Final answer
    x = 647,262.24

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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.