Home / 1,538,200.76-2,122,759.86-849,916.97

Finding the Fourth Proportional to 1,538,200.76, 2,122,759.86 and 849,916.97

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Solution

The fourth proportional to 1,538,200.76, 2,122,759.86 and 849,916.97 is: 1,172,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,200.76 : 2,122,759.86 = 849,916.97 : x
  2. Step 2: Convert to fraction form
    1,538,200.76/2,122,759.86 = 849,916.97/x
  3. Step 3: Cross multiply
    1,538,200.76x = 2,122,759.86 × 849,916.97
  4. Step 4: Simplify right side
    1,538,200.76x = 1,804,169,626,288.36
  5. Step 5: Solve for x
    x = 1,804,169,626,288.36/1,538,200.76
  6. Step 6: Final answer
    x = 1,172,909.07

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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.