Home / 1,397,356.60-2,096,034.90-972,203.80

Finding the Fourth Proportional to 1,397,356.60, 2,096,034.90 and 972,203.80

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Solution

The fourth proportional to 1,397,356.60, 2,096,034.90 and 972,203.80 is: 1,458,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,356.60 : 2,096,034.90 = 972,203.80 : x
  2. Step 2: Convert to fraction form
    1,397,356.60/2,096,034.90 = 972,203.80/x
  3. Step 3: Cross multiply
    1,397,356.60x = 2,096,034.90 × 972,203.80
  4. Step 4: Simplify right side
    1,397,356.60x = 2,037,773,094,712.62
  5. Step 5: Solve for x
    x = 2,037,773,094,712.62/1,397,356.60
  6. Step 6: Final answer
    x = 1,458,305.70

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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.