Home / 859,709.80-1,286,502.90-748,610.20

Finding the Fourth Proportional to 859,709.80, 1,286,502.90 and 748,610.20

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Solution

The fourth proportional to 859,709.80, 1,286,502.90 and 748,610.20 is: 1,120,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,709.80 : 1,286,502.90 = 748,610.20 : x
  2. Step 2: Convert to fraction form
    859,709.80/1,286,502.90 = 748,610.20/x
  3. Step 3: Cross multiply
    859,709.80x = 1,286,502.90 × 748,610.20
  4. Step 4: Simplify right side
    859,709.80x = 963,089,193,269.58
  5. Step 5: Solve for x
    x = 963,089,193,269.58/859,709.80
  6. Step 6: Final answer
    x = 1,120,249.17

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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.