Home / 1,188,667.31-1,639,838.07-801,341.24

Finding the Fourth Proportional to 1,188,667.31, 1,639,838.07 and 801,341.24

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Solution

The fourth proportional to 1,188,667.31, 1,639,838.07 and 801,341.24 is: 1,105,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,667.31 : 1,639,838.07 = 801,341.24 : x
  2. Step 2: Convert to fraction form
    1,188,667.31/1,639,838.07 = 801,341.24/x
  3. Step 3: Cross multiply
    1,188,667.31x = 1,639,838.07 × 801,341.24
  4. Step 4: Simplify right side
    1,188,667.31x = 1,314,069,867,218.85
  5. Step 5: Solve for x
    x = 1,314,069,867,218.85/1,188,667.31
  6. Step 6: Final answer
    x = 1,105,498.45

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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.