Home / 1,188,667.28-1,639,838.03-801,341.20

Finding the Fourth Proportional to 1,188,667.28, 1,639,838.03 and 801,341.20

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Solution

The fourth proportional to 1,188,667.28, 1,639,838.03 and 801,341.20 is: 1,105,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,667.28 : 1,639,838.03 = 801,341.20 : x
  2. Step 2: Convert to fraction form
    1,188,667.28/1,639,838.03 = 801,341.20/x
  3. Step 3: Cross multiply
    1,188,667.28x = 1,639,838.03 × 801,341.20
  4. Step 4: Simplify right side
    1,188,667.28x = 1,314,069,780,391.17
  5. Step 5: Solve for x
    x = 1,314,069,780,391.17/1,188,667.28
  6. Step 6: Final answer
    x = 1,105,498.41

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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.