Home / 1,074,149.28-1,611,092.61-442,981.08

Finding the Fourth Proportional to 1,074,149.28, 1,611,092.61 and 442,981.08

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Solution

The fourth proportional to 1,074,149.28, 1,611,092.61 and 442,981.08 is: 664,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,149.28 : 1,611,092.61 = 442,981.08 : x
  2. Step 2: Convert to fraction form
    1,074,149.28/1,611,092.61 = 442,981.08/x
  3. Step 3: Cross multiply
    1,074,149.28x = 1,611,092.61 × 442,981.08
  4. Step 4: Simplify right side
    1,074,149.28x = 713,683,544,357.82
  5. Step 5: Solve for x
    x = 713,683,544,357.82/1,074,149.28
  6. Step 6: Final answer
    x = 664,417.47

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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.