Home / 914,719.20-1,372,078.80-897,223.20

Finding the Fourth Proportional to 914,719.20, 1,372,078.80 and 897,223.20

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Solution

The fourth proportional to 914,719.20, 1,372,078.80 and 897,223.20 is: 1,345,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,719.20 : 1,372,078.80 = 897,223.20 : x
  2. Step 2: Convert to fraction form
    914,719.20/1,372,078.80 = 897,223.20/x
  3. Step 3: Cross multiply
    914,719.20x = 1,372,078.80 × 897,223.20
  4. Step 4: Simplify right side
    914,719.20x = 1,231,060,931,588.16
  5. Step 5: Solve for x
    x = 1,231,060,931,588.16/914,719.20
  6. Step 6: Final answer
    x = 1,345,834.80

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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.