Home / 1,343,847.80-2,013,006.90-679,374.20

Finding the Fourth Proportional to 1,343,847.80, 2,013,006.90 and 679,374.20

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Solution

The fourth proportional to 1,343,847.80, 2,013,006.90 and 679,374.20 is: 1,017,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,847.80 : 2,013,006.90 = 679,374.20 : x
  2. Step 2: Convert to fraction form
    1,343,847.80/2,013,006.90 = 679,374.20/x
  3. Step 3: Cross multiply
    1,343,847.80x = 2,013,006.90 × 679,374.20
  4. Step 4: Simplify right side
    1,343,847.80x = 1,367,584,952,281.98
  5. Step 5: Solve for x
    x = 1,367,584,952,281.98/1,343,847.80
  6. Step 6: Final answer
    x = 1,017,663.57

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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.