Home / 1,535,490.54-2,119,656.39-991,891.34

Finding the Fourth Proportional to 1,535,490.54, 2,119,656.39 and 991,891.34

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Solution

The fourth proportional to 1,535,490.54, 2,119,656.39 and 991,891.34 is: 1,369,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,490.54 : 2,119,656.39 = 991,891.34 : x
  2. Step 2: Convert to fraction form
    1,535,490.54/2,119,656.39 = 991,891.34/x
  3. Step 3: Cross multiply
    1,535,490.54x = 2,119,656.39 × 991,891.34
  4. Step 4: Simplify right side
    1,535,490.54x = 2,102,468,806,418.38
  5. Step 5: Solve for x
    x = 2,102,468,806,418.38/1,535,490.54
  6. Step 6: Final answer
    x = 1,369,248.95

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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.