Home / 1,421,587.06-1,961,785.38-777,006.88

Finding the Fourth Proportional to 1,421,587.06, 1,961,785.38 and 777,006.88

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Solution

The fourth proportional to 1,421,587.06, 1,961,785.38 and 777,006.88 is: 1,072,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,587.06 : 1,961,785.38 = 777,006.88 : x
  2. Step 2: Convert to fraction form
    1,421,587.06/1,961,785.38 = 777,006.88/x
  3. Step 3: Cross multiply
    1,421,587.06x = 1,961,785.38 × 777,006.88
  4. Step 4: Simplify right side
    1,421,587.06x = 1,524,320,737,343.41
  5. Step 5: Solve for x
    x = 1,524,320,737,343.41/1,421,587.06
  6. Step 6: Final answer
    x = 1,072,266.89

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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.