Home / 993,614.40-1,488,890.70-739,703.70

Finding the Fourth Proportional to 993,614.40, 1,488,890.70 and 739,703.70

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Solution

The fourth proportional to 993,614.40, 1,488,890.70 and 739,703.70 is: 1,108,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,614.40 : 1,488,890.70 = 739,703.70 : x
  2. Step 2: Convert to fraction form
    993,614.40/1,488,890.70 = 739,703.70/x
  3. Step 3: Cross multiply
    993,614.40x = 1,488,890.70 × 739,703.70
  4. Step 4: Simplify right side
    993,614.40x = 1,101,337,959,685.59
  5. Step 5: Solve for x
    x = 1,101,337,959,685.59/993,614.40
  6. Step 6: Final answer
    x = 1,108,415.86

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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.