Home / 1,080,565.76-1,491,238.16-621,750.08

Finding the Fourth Proportional to 1,080,565.76, 1,491,238.16 and 621,750.08

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Solution

The fourth proportional to 1,080,565.76, 1,491,238.16 and 621,750.08 is: 858,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,565.76 : 1,491,238.16 = 621,750.08 : x
  2. Step 2: Convert to fraction form
    1,080,565.76/1,491,238.16 = 621,750.08/x
  3. Step 3: Cross multiply
    1,080,565.76x = 1,491,238.16 × 621,750.08
  4. Step 4: Simplify right side
    1,080,565.76x = 927,177,445,279.05
  5. Step 5: Solve for x
    x = 927,177,445,279.05/1,080,565.76
  6. Step 6: Final answer
    x = 858,048.14

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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.