Home / 1,276,352.55-1,761,403.41-703,429.62

Finding the Fourth Proportional to 1,276,352.55, 1,761,403.41 and 703,429.62

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Solution

The fourth proportional to 1,276,352.55, 1,761,403.41 and 703,429.62 is: 970,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,352.55 : 1,761,403.41 = 703,429.62 : x
  2. Step 2: Convert to fraction form
    1,276,352.55/1,761,403.41 = 703,429.62/x
  3. Step 3: Cross multiply
    1,276,352.55x = 1,761,403.41 × 703,429.62
  4. Step 4: Simplify right side
    1,276,352.55x = 1,239,023,331,363.00
  5. Step 5: Solve for x
    x = 1,239,023,331,363.00/1,276,352.55
  6. Step 6: Final answer
    x = 970,753.21

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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.