Home / 1,171,961.28-1,758,117.36-424,182.24

Finding the Fourth Proportional to 1,171,961.28, 1,758,117.36 and 424,182.24

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Solution

The fourth proportional to 1,171,961.28, 1,758,117.36 and 424,182.24 is: 636,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,961.28 : 1,758,117.36 = 424,182.24 : x
  2. Step 2: Convert to fraction form
    1,171,961.28/1,758,117.36 = 424,182.24/x
  3. Step 3: Cross multiply
    1,171,961.28x = 1,758,117.36 × 424,182.24
  4. Step 4: Simplify right side
    1,171,961.28x = 745,762,159,947.69
  5. Step 5: Solve for x
    x = 745,762,159,947.69/1,171,961.28
  6. Step 6: Final answer
    x = 636,336.86

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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.