Home / 1,295,924.55-1,788,376.64-722,964.72

Finding the Fourth Proportional to 1,295,924.55, 1,788,376.64 and 722,964.72

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Solution

The fourth proportional to 1,295,924.55, 1,788,376.64 and 722,964.72 is: 997,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,924.55 : 1,788,376.64 = 722,964.72 : x
  2. Step 2: Convert to fraction form
    1,295,924.55/1,788,376.64 = 722,964.72/x
  3. Step 3: Cross multiply
    1,295,924.55x = 1,788,376.64 × 722,964.72
  4. Step 4: Simplify right side
    1,295,924.55x = 1,292,933,213,177.32
  5. Step 5: Solve for x
    x = 1,292,933,213,177.32/1,295,924.55
  6. Step 6: Final answer
    x = 997,691.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.