Home / 1,765,510.60-2,649,648.30-818,998.60

Finding the Fourth Proportional to 1,765,510.60, 2,649,648.30 and 818,998.60

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Solution

The fourth proportional to 1,765,510.60, 2,649,648.30 and 818,998.60 is: 1,229,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,510.60 : 2,649,648.30 = 818,998.60 : x
  2. Step 2: Convert to fraction form
    1,765,510.60/2,649,648.30 = 818,998.60/x
  3. Step 3: Cross multiply
    1,765,510.60x = 2,649,648.30 × 818,998.60
  4. Step 4: Simplify right side
    1,765,510.60x = 2,170,058,248,192.38
  5. Step 5: Solve for x
    x = 2,170,058,248,192.38/1,765,510.60
  6. Step 6: Final answer
    x = 1,229,139.18

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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.