Home / 1,248,529.20-1,722,970.08-675,569.76

Finding the Fourth Proportional to 1,248,529.20, 1,722,970.08 and 675,569.76

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Solution

The fourth proportional to 1,248,529.20, 1,722,970.08 and 675,569.76 is: 932,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,529.20 : 1,722,970.08 = 675,569.76 : x
  2. Step 2: Convert to fraction form
    1,248,529.20/1,722,970.08 = 675,569.76/x
  3. Step 3: Cross multiply
    1,248,529.20x = 1,722,970.08 × 675,569.76
  4. Step 4: Simplify right side
    1,248,529.20x = 1,163,986,483,432.78
  5. Step 5: Solve for x
    x = 1,163,986,483,432.78/1,248,529.20
  6. Step 6: Final answer
    x = 932,286.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.