Home / 1,266,182.76-1,747,331.40-693,222.78

Finding the Fourth Proportional to 1,266,182.76, 1,747,331.40 and 693,222.78

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Solution

The fourth proportional to 1,266,182.76, 1,747,331.40 and 693,222.78 is: 956,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,182.76 : 1,747,331.40 = 693,222.78 : x
  2. Step 2: Convert to fraction form
    1,266,182.76/1,747,331.40 = 693,222.78/x
  3. Step 3: Cross multiply
    1,266,182.76x = 1,747,331.40 × 693,222.78
  4. Step 4: Simplify right side
    1,266,182.76x = 1,211,289,930,689.29
  5. Step 5: Solve for x
    x = 1,211,289,930,689.29/1,266,182.76
  6. Step 6: Final answer
    x = 956,646.99

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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.