Home / 1,418,715.91-1,957,875.15-774,171.46

Finding the Fourth Proportional to 1,418,715.91, 1,957,875.15 and 774,171.46

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Solution

The fourth proportional to 1,418,715.91, 1,957,875.15 and 774,171.46 is: 1,068,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,715.91 : 1,957,875.15 = 774,171.46 : x
  2. Step 2: Convert to fraction form
    1,418,715.91/1,957,875.15 = 774,171.46/x
  3. Step 3: Cross multiply
    1,418,715.91x = 1,957,875.15 × 774,171.46
  4. Step 4: Simplify right side
    1,418,715.91x = 1,515,731,063,373.22
  5. Step 5: Solve for x
    x = 1,515,731,063,373.22/1,418,715.91
  6. Step 6: Final answer
    x = 1,068,382.37

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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.