Home / 1,349,472.54-2,023,909.92-389,719.20

Finding the Fourth Proportional to 1,349,472.54, 2,023,909.92 and 389,719.20

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Solution

The fourth proportional to 1,349,472.54, 2,023,909.92 and 389,719.20 is: 584,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,472.54 : 2,023,909.92 = 389,719.20 : x
  2. Step 2: Convert to fraction form
    1,349,472.54/2,023,909.92 = 389,719.20/x
  3. Step 3: Cross multiply
    1,349,472.54x = 2,023,909.92 × 389,719.20
  4. Step 4: Simplify right side
    1,349,472.54x = 788,756,554,894.46
  5. Step 5: Solve for x
    x = 788,756,554,894.46/1,349,472.54
  6. Step 6: Final answer
    x = 584,492.48

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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.