Home / 1,217,714.48-1,681,121.64-734,402.56

Finding the Fourth Proportional to 1,217,714.48, 1,681,121.64 and 734,402.56

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Solution

The fourth proportional to 1,217,714.48, 1,681,121.64 and 734,402.56 is: 1,013,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,714.48 : 1,681,121.64 = 734,402.56 : x
  2. Step 2: Convert to fraction form
    1,217,714.48/1,681,121.64 = 734,402.56/x
  3. Step 3: Cross multiply
    1,217,714.48x = 1,681,121.64 × 734,402.56
  4. Step 4: Simplify right side
    1,217,714.48x = 1,234,620,036,087.40
  5. Step 5: Solve for x
    x = 1,234,620,036,087.40/1,217,714.48
  6. Step 6: Final answer
    x = 1,013,883.02

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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.