Home / 1,151,969.88-1,727,779.86-442,332.12

Finding the Fourth Proportional to 1,151,969.88, 1,727,779.86 and 442,332.12

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Solution

The fourth proportional to 1,151,969.88, 1,727,779.86 and 442,332.12 is: 663,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,969.88 : 1,727,779.86 = 442,332.12 : x
  2. Step 2: Convert to fraction form
    1,151,969.88/1,727,779.86 = 442,332.12/x
  3. Step 3: Cross multiply
    1,151,969.88x = 1,727,779.86 × 442,332.12
  4. Step 4: Simplify right side
    1,151,969.88x = 764,252,528,367.10
  5. Step 5: Solve for x
    x = 764,252,528,367.10/1,151,969.88
  6. Step 6: Final answer
    x = 663,431.00

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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.