Home / 1,245,718.24-1,719,091.02-672,758.32

Finding the Fourth Proportional to 1,245,718.24, 1,719,091.02 and 672,758.32

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Solution

The fourth proportional to 1,245,718.24, 1,719,091.02 and 672,758.32 is: 928,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,718.24 : 1,719,091.02 = 672,758.32 : x
  2. Step 2: Convert to fraction form
    1,245,718.24/1,719,091.02 = 672,758.32/x
  3. Step 3: Cross multiply
    1,245,718.24x = 1,719,091.02 × 672,758.32
  4. Step 4: Simplify right side
    1,245,718.24x = 1,156,532,786,542.29
  5. Step 5: Solve for x
    x = 1,156,532,786,542.29/1,245,718.24
  6. Step 6: Final answer
    x = 928,406.40

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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.