Home / 989,141.66-1,474,823.64-904,691.10

Finding the Fourth Proportional to 989,141.66, 1,474,823.64 and 904,691.10

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Solution

The fourth proportional to 989,141.66, 1,474,823.64 and 904,691.10 is: 1,348,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,141.66 : 1,474,823.64 = 904,691.10 : x
  2. Step 2: Convert to fraction form
    989,141.66/1,474,823.64 = 904,691.10/x
  3. Step 3: Cross multiply
    989,141.66x = 1,474,823.64 × 904,691.10
  4. Step 4: Simplify right side
    989,141.66x = 1,334,259,821,177.60
  5. Step 5: Solve for x
    x = 1,334,259,821,177.60/989,141.66
  6. Step 6: Final answer
    x = 1,348,906.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.