Home / 1,000,493.32-1,500,285.88-431,605.42

Finding the Fourth Proportional to 1,000,493.32, 1,500,285.88 and 431,605.42

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Solution

The fourth proportional to 1,000,493.32, 1,500,285.88 and 431,605.42 is: 647,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,493.32 : 1,500,285.88 = 431,605.42 : x
  2. Step 2: Convert to fraction form
    1,000,493.32/1,500,285.88 = 431,605.42/x
  3. Step 3: Cross multiply
    1,000,493.32x = 1,500,285.88 × 431,605.42
  4. Step 4: Simplify right side
    1,000,493.32x = 647,531,517,357.47
  5. Step 5: Solve for x
    x = 647,531,517,357.47/1,000,493.32
  6. Step 6: Final answer
    x = 647,212.23

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1.5x scale

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.