Home / 810,373.10-1,218,512.10-680,465.30

Finding the Fourth Proportional to 810,373.10, 1,218,512.10 and 680,465.30

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Solution

The fourth proportional to 810,373.10, 1,218,512.10 and 680,465.30 is: 1,023,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,373.10 : 1,218,512.10 = 680,465.30 : x
  2. Step 2: Convert to fraction form
    810,373.10/1,218,512.10 = 680,465.30/x
  3. Step 3: Cross multiply
    810,373.10x = 1,218,512.10 × 680,465.30
  4. Step 4: Simplify right side
    810,373.10x = 829,155,201,680.13
  5. Step 5: Solve for x
    x = 829,155,201,680.13/810,373.10
  6. Step 6: Final answer
    x = 1,023,177.10

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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.