Home / 1,199,291.20-1,655,020.80-662,747.20

Finding the Fourth Proportional to 1,199,291.20, 1,655,020.80 and 662,747.20

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Solution

The fourth proportional to 1,199,291.20, 1,655,020.80 and 662,747.20 is: 914,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,291.20 : 1,655,020.80 = 662,747.20 : x
  2. Step 2: Convert to fraction form
    1,199,291.20/1,655,020.80 = 662,747.20/x
  3. Step 3: Cross multiply
    1,199,291.20x = 1,655,020.80 × 662,747.20
  4. Step 4: Simplify right side
    1,199,291.20x = 1,096,860,401,141.76
  5. Step 5: Solve for x
    x = 1,096,860,401,141.76/1,199,291.20
  6. Step 6: Final answer
    x = 914,590.55

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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.