Home / 1,766,020.60-2,649,225.30-644,332.60

Finding the Fourth Proportional to 1,766,020.60, 2,649,225.30 and 644,332.60

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Solution

The fourth proportional to 1,766,020.60, 2,649,225.30 and 644,332.60 is: 966,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,020.60 : 2,649,225.30 = 644,332.60 : x
  2. Step 2: Convert to fraction form
    1,766,020.60/2,649,225.30 = 644,332.60/x
  3. Step 3: Cross multiply
    1,766,020.60x = 2,649,225.30 × 644,332.60
  4. Step 4: Simplify right side
    1,766,020.60x = 1,706,982,225,534.78
  5. Step 5: Solve for x
    x = 1,706,982,225,534.78/1,766,020.60
  6. Step 6: Final answer
    x = 966,569.83

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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.