Home / 1,242,760.81-1,714,656.18-745,842.86

Finding the Fourth Proportional to 1,242,760.81, 1,714,656.18 and 745,842.86

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Solution

The fourth proportional to 1,242,760.81, 1,714,656.18 and 745,842.86 is: 1,029,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,760.81 : 1,714,656.18 = 745,842.86 : x
  2. Step 2: Convert to fraction form
    1,242,760.81/1,714,656.18 = 745,842.86/x
  3. Step 3: Cross multiply
    1,242,760.81x = 1,714,656.18 × 745,842.86
  4. Step 4: Simplify right side
    1,242,760.81x = 1,278,864,073,635.13
  5. Step 5: Solve for x
    x = 1,278,864,073,635.13/1,242,760.81
  6. Step 6: Final answer
    x = 1,029,050.85

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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.