Home / 1,346,923.40-2,020,367.82-387,402.44

Finding the Fourth Proportional to 1,346,923.40, 2,020,367.82 and 387,402.44

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Solution

The fourth proportional to 1,346,923.40, 2,020,367.82 and 387,402.44 is: 581,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,923.40 : 2,020,367.82 = 387,402.44 : x
  2. Step 2: Convert to fraction form
    1,346,923.40/2,020,367.82 = 387,402.44/x
  3. Step 3: Cross multiply
    1,346,923.40x = 2,020,367.82 × 387,402.44
  4. Step 4: Simplify right side
    1,346,923.40x = 782,695,423,165.48
  5. Step 5: Solve for x
    x = 782,695,423,165.48/1,346,923.40
  6. Step 6: Final answer
    x = 581,098.69

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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.