Home / 1,344,123.20-1,854,889.44-740,511.20

Finding the Fourth Proportional to 1,344,123.20, 1,854,889.44 and 740,511.20

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Solution

The fourth proportional to 1,344,123.20, 1,854,889.44 and 740,511.20 is: 1,021,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,123.20 : 1,854,889.44 = 740,511.20 : x
  2. Step 2: Convert to fraction form
    1,344,123.20/1,854,889.44 = 740,511.20/x
  3. Step 3: Cross multiply
    1,344,123.20x = 1,854,889.44 × 740,511.20
  4. Step 4: Simplify right side
    1,344,123.20x = 1,373,566,405,081.73
  5. Step 5: Solve for x
    x = 1,373,566,405,081.73/1,344,123.20
  6. Step 6: Final answer
    x = 1,021,905.14

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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.