Home / 1,257,478.42-1,735,320.28-684,522.76

Finding the Fourth Proportional to 1,257,478.42, 1,735,320.28 and 684,522.76

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Solution

The fourth proportional to 1,257,478.42, 1,735,320.28 and 684,522.76 is: 944,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,478.42 : 1,735,320.28 = 684,522.76 : x
  2. Step 2: Convert to fraction form
    1,257,478.42/1,735,320.28 = 684,522.76/x
  3. Step 3: Cross multiply
    1,257,478.42x = 1,735,320.28 × 684,522.76
  4. Step 4: Simplify right side
    1,257,478.42x = 1,187,866,227,549.57
  5. Step 5: Solve for x
    x = 1,187,866,227,549.57/1,257,478.42
  6. Step 6: Final answer
    x = 944,641.44

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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.