Home / 1,040,115.60-1,557,509.76-719,824.08

Finding the Fourth Proportional to 1,040,115.60, 1,557,509.76 and 719,824.08

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Solution

The fourth proportional to 1,040,115.60, 1,557,509.76 and 719,824.08 is: 1,077,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,115.60 : 1,557,509.76 = 719,824.08 : x
  2. Step 2: Convert to fraction form
    1,040,115.60/1,557,509.76 = 719,824.08/x
  3. Step 3: Cross multiply
    1,040,115.60x = 1,557,509.76 × 719,824.08
  4. Step 4: Simplify right side
    1,040,115.60x = 1,121,133,030,083.02
  5. Step 5: Solve for x
    x = 1,121,133,030,083.02/1,040,115.60
  6. Step 6: Final answer
    x = 1,077,892.72

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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.