Home / 1,250,605.40-1,725,198.91-790,947.20

Finding the Fourth Proportional to 1,250,605.40, 1,725,198.91 and 790,947.20

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Solution

The fourth proportional to 1,250,605.40, 1,725,198.91 and 790,947.20 is: 1,091,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,605.40 : 1,725,198.91 = 790,947.20 : x
  2. Step 2: Convert to fraction form
    1,250,605.40/1,725,198.91 = 790,947.20/x
  3. Step 3: Cross multiply
    1,250,605.40x = 1,725,198.91 × 790,947.20
  4. Step 4: Simplify right side
    1,250,605.40x = 1,364,541,249,643.18
  5. Step 5: Solve for x
    x = 1,364,541,249,643.18/1,250,605.40
  6. Step 6: Final answer
    x = 1,091,104.56

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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.