Home / 1,247,050.43-1,721,394.82-970,861.03

Finding the Fourth Proportional to 1,247,050.43, 1,721,394.82 and 970,861.03

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Solution

The fourth proportional to 1,247,050.43, 1,721,394.82 and 970,861.03 is: 1,340,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,050.43 : 1,721,394.82 = 970,861.03 : x
  2. Step 2: Convert to fraction form
    1,247,050.43/1,721,394.82 = 970,861.03/x
  3. Step 3: Cross multiply
    1,247,050.43x = 1,721,394.82 × 970,861.03
  4. Step 4: Simplify right side
    1,247,050.43x = 1,671,235,154,574.80
  5. Step 5: Solve for x
    x = 1,671,235,154,574.80/1,247,050.43
  6. Step 6: Final answer
    x = 1,340,150.42

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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.