Home / 1,766,028.60-2,649,237.30-644,340.60

Finding the Fourth Proportional to 1,766,028.60, 2,649,237.30 and 644,340.60

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Solution

The fourth proportional to 1,766,028.60, 2,649,237.30 and 644,340.60 is: 966,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,028.60 : 2,649,237.30 = 644,340.60 : x
  2. Step 2: Convert to fraction form
    1,766,028.60/2,649,237.30 = 644,340.60/x
  3. Step 3: Cross multiply
    1,766,028.60x = 2,649,237.30 × 644,340.60
  4. Step 4: Simplify right side
    1,766,028.60x = 1,707,011,151,424.38
  5. Step 5: Solve for x
    x = 1,707,011,151,424.38/1,766,028.60
  6. Step 6: Final answer
    x = 966,581.83

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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.