Home / 1,619,265.52-2,429,738.86-660,424.58

Finding the Fourth Proportional to 1,619,265.52, 2,429,738.86 and 660,424.58

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Solution

The fourth proportional to 1,619,265.52, 2,429,738.86 and 660,424.58 is: 990,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,265.52 : 2,429,738.86 = 660,424.58 : x
  2. Step 2: Convert to fraction form
    1,619,265.52/2,429,738.86 = 660,424.58/x
  3. Step 3: Cross multiply
    1,619,265.52x = 2,429,738.86 × 660,424.58
  4. Step 4: Simplify right side
    1,619,265.52x = 1,604,659,266,125.18
  5. Step 5: Solve for x
    x = 1,604,659,266,125.18/1,619,265.52
  6. Step 6: Final answer
    x = 990,979.70

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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.