Home / 1,339,785.28-1,849,006.56-767,005.12

Finding the Fourth Proportional to 1,339,785.28, 1,849,006.56 and 767,005.12

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Solution

The fourth proportional to 1,339,785.28, 1,849,006.56 and 767,005.12 is: 1,058,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,785.28 : 1,849,006.56 = 767,005.12 : x
  2. Step 2: Convert to fraction form
    1,339,785.28/1,849,006.56 = 767,005.12/x
  3. Step 3: Cross multiply
    1,339,785.28x = 1,849,006.56 × 767,005.12
  4. Step 4: Simplify right side
    1,339,785.28x = 1,418,197,498,433.59
  5. Step 5: Solve for x
    x = 1,418,197,498,433.59/1,339,785.28
  6. Step 6: Final answer
    x = 1,058,525.96

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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.