Home / 1,148,712.30-1,585,196.73-719,229.24

Finding the Fourth Proportional to 1,148,712.30, 1,585,196.73 and 719,229.24

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Solution

The fourth proportional to 1,148,712.30, 1,585,196.73 and 719,229.24 is: 992,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,712.30 : 1,585,196.73 = 719,229.24 : x
  2. Step 2: Convert to fraction form
    1,148,712.30/1,585,196.73 = 719,229.24/x
  3. Step 3: Cross multiply
    1,148,712.30x = 1,585,196.73 × 719,229.24
  4. Step 4: Simplify right side
    1,148,712.30x = 1,140,119,839,368.39
  5. Step 5: Solve for x
    x = 1,140,119,839,368.39/1,148,712.30
  6. Step 6: Final answer
    x = 992,519.92

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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.