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Finding the Fourth Proportional to 937,521, 1,406,519.64 and 272,673

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Solution

The fourth proportional to 937,521, 1,406,519.64 and 272,673 is: 409,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,521 : 1,406,519.64 = 272,673 : x
  2. Step 2: Convert to fraction form
    937,521/1,406,519.64 = 272,673/x
  3. Step 3: Cross multiply
    937,521x = 1,406,519.64 × 272,673
  4. Step 4: Simplify right side
    937,521x = 383,519,929,797.72
  5. Step 5: Solve for x
    x = 383,519,929,797.72/937,521
  6. Step 6: Final answer
    x = 409,078.76

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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.