Home / 692,124.80-1,038,187.20-680,460.80

Finding the Fourth Proportional to 692,124.80, 1,038,187.20 and 680,460.80

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Solution

The fourth proportional to 692,124.80, 1,038,187.20 and 680,460.80 is: 1,020,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,124.80 : 1,038,187.20 = 680,460.80 : x
  2. Step 2: Convert to fraction form
    692,124.80/1,038,187.20 = 680,460.80/x
  3. Step 3: Cross multiply
    692,124.80x = 1,038,187.20 × 680,460.80
  4. Step 4: Simplify right side
    692,124.80x = 706,445,692,661.76
  5. Step 5: Solve for x
    x = 706,445,692,661.76/692,124.80
  6. Step 6: Final answer
    x = 1,020,691.20

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Similar ratio
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1.5x scale

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.