Home / 1,488,497.68-2,230,178.55-815,063.68

Finding the Fourth Proportional to 1,488,497.68, 2,230,178.55 and 815,063.68

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Solution

The fourth proportional to 1,488,497.68, 2,230,178.55 and 815,063.68 is: 1,221,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,497.68 : 2,230,178.55 = 815,063.68 : x
  2. Step 2: Convert to fraction form
    1,488,497.68/2,230,178.55 = 815,063.68/x
  3. Step 3: Cross multiply
    1,488,497.68x = 2,230,178.55 × 815,063.68
  4. Step 4: Simplify right side
    1,488,497.68x = 1,817,737,536,020.06
  5. Step 5: Solve for x
    x = 1,817,737,536,020.06/1,488,497.68
  6. Step 6: Final answer
    x = 1,221,189.36

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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.