Home / 1,470,909.11-2,205,099.87-511,240.04

Finding the Fourth Proportional to 1,470,909.11, 2,205,099.87 and 511,240.04

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Solution

The fourth proportional to 1,470,909.11, 2,205,099.87 and 511,240.04 is: 766,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,909.11 : 2,205,099.87 = 511,240.04 : x
  2. Step 2: Convert to fraction form
    1,470,909.11/2,205,099.87 = 511,240.04/x
  3. Step 3: Cross multiply
    1,470,909.11x = 2,205,099.87 × 511,240.04
  4. Step 4: Simplify right side
    1,470,909.11x = 1,127,335,345,742.80
  5. Step 5: Solve for x
    x = 1,127,335,345,742.80/1,470,909.11
  6. Step 6: Final answer
    x = 766,420.81

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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.