Home / 1,079,003.18-1,488,930.08-691,134.36

Finding the Fourth Proportional to 1,079,003.18, 1,488,930.08 and 691,134.36

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Solution

The fourth proportional to 1,079,003.18, 1,488,930.08 and 691,134.36 is: 953,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,003.18 : 1,488,930.08 = 691,134.36 : x
  2. Step 2: Convert to fraction form
    1,079,003.18/1,488,930.08 = 691,134.36/x
  3. Step 3: Cross multiply
    1,079,003.18x = 1,488,930.08 × 691,134.36
  4. Step 4: Simplify right side
    1,079,003.18x = 1,029,050,737,925.55
  5. Step 5: Solve for x
    x = 1,029,050,737,925.55/1,079,003.18
  6. Step 6: Final answer
    x = 953,705.01

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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.