Home / 1,107,779.66-1,661,004-433,057.36

Finding the Fourth Proportional to 1,107,779.66, 1,661,004 and 433,057.36

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Solution

The fourth proportional to 1,107,779.66, 1,661,004 and 433,057.36 is: 649,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,779.66 : 1,661,004 = 433,057.36 : x
  2. Step 2: Convert to fraction form
    1,107,779.66/1,661,004 = 433,057.36/x
  3. Step 3: Cross multiply
    1,107,779.66x = 1,661,004 × 433,057.36
  4. Step 4: Simplify right side
    1,107,779.66x = 719,309,998,884.42
  5. Step 5: Solve for x
    x = 719,309,998,884.42/1,107,779.66
  6. Step 6: Final answer
    x = 649,325.88

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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.