Home / 1,761,663.40-2,642,495.10-499,474.60

Finding the Fourth Proportional to 1,761,663.40, 2,642,495.10 and 499,474.60

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Solution

The fourth proportional to 1,761,663.40, 2,642,495.10 and 499,474.60 is: 749,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,663.40 : 2,642,495.10 = 499,474.60 : x
  2. Step 2: Convert to fraction form
    1,761,663.40/2,642,495.10 = 499,474.60/x
  3. Step 3: Cross multiply
    1,761,663.40x = 2,642,495.10 × 499,474.60
  4. Step 4: Simplify right side
    1,761,663.40x = 1,319,859,183,074.46
  5. Step 5: Solve for x
    x = 1,319,859,183,074.46/1,761,663.40
  6. Step 6: Final answer
    x = 749,211.90

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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.