Home / 1,615,909.03-2,423,118.34-478,264.43

Finding the Fourth Proportional to 1,615,909.03, 2,423,118.34 and 478,264.43

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Solution

The fourth proportional to 1,615,909.03, 2,423,118.34 and 478,264.43 is: 717,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,909.03 : 2,423,118.34 = 478,264.43 : x
  2. Step 2: Convert to fraction form
    1,615,909.03/2,423,118.34 = 478,264.43/x
  3. Step 3: Cross multiply
    1,615,909.03x = 2,423,118.34 × 478,264.43
  4. Step 4: Simplify right side
    1,615,909.03x = 1,158,891,318,358.27
  5. Step 5: Solve for x
    x = 1,158,891,318,358.27/1,615,909.03
  6. Step 6: Final answer
    x = 717,176.09

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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.