Home / 1,240,210.44-1,711,058.28-781,366

Finding the Fourth Proportional to 1,240,210.44, 1,711,058.28 and 781,366

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Solution

The fourth proportional to 1,240,210.44, 1,711,058.28 and 781,366 is: 1,078,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,210.44 : 1,711,058.28 = 781,366 : x
  2. Step 2: Convert to fraction form
    1,240,210.44/1,711,058.28 = 781,366/x
  3. Step 3: Cross multiply
    1,240,210.44x = 1,711,058.28 × 781,366
  4. Step 4: Simplify right side
    1,240,210.44x = 1,336,962,764,010.48
  5. Step 5: Solve for x
    x = 1,336,962,764,010.48/1,240,210.44
  6. Step 6: Final answer
    x = 1,078,012.83

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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.