Home / 1,207,329.70-1,665,421.20-753,833.38

Finding the Fourth Proportional to 1,207,329.70, 1,665,421.20 and 753,833.38

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Solution

The fourth proportional to 1,207,329.70, 1,665,421.20 and 753,833.38 is: 1,039,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,329.70 : 1,665,421.20 = 753,833.38 : x
  2. Step 2: Convert to fraction form
    1,207,329.70/1,665,421.20 = 753,833.38/x
  3. Step 3: Cross multiply
    1,207,329.70x = 1,665,421.20 × 753,833.38
  4. Step 4: Simplify right side
    1,207,329.70x = 1,255,450,092,319.66
  5. Step 5: Solve for x
    x = 1,255,450,092,319.66/1,207,329.70
  6. Step 6: Final answer
    x = 1,039,856.88

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1.5x scale

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.