Home / 928,648.80-1,390,348.80-834,170.40

Finding the Fourth Proportional to 928,648.80, 1,390,348.80 and 834,170.40

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Solution

The fourth proportional to 928,648.80, 1,390,348.80 and 834,170.40 is: 1,248,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,648.80 : 1,390,348.80 = 834,170.40 : x
  2. Step 2: Convert to fraction form
    928,648.80/1,390,348.80 = 834,170.40/x
  3. Step 3: Cross multiply
    928,648.80x = 1,390,348.80 × 834,170.40
  4. Step 4: Simplify right side
    928,648.80x = 1,159,787,814,635.52
  5. Step 5: Solve for x
    x = 1,159,787,814,635.52/928,648.80
  6. Step 6: Final answer
    x = 1,248,898.20

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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.