Home / 820,693.29-1,130,049.60-743,711.52

Finding the Fourth Proportional to 820,693.29, 1,130,049.60 and 743,711.52

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Solution

The fourth proportional to 820,693.29, 1,130,049.60 and 743,711.52 is: 1,024,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,693.29 : 1,130,049.60 = 743,711.52 : x
  2. Step 2: Convert to fraction form
    820,693.29/1,130,049.60 = 743,711.52/x
  3. Step 3: Cross multiply
    820,693.29x = 1,130,049.60 × 743,711.52
  4. Step 4: Simplify right side
    820,693.29x = 840,430,905,691.39
  5. Step 5: Solve for x
    x = 840,430,905,691.39/820,693.29
  6. Step 6: Final answer
    x = 1,024,049.93

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1.5x scale

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.