Home / 837,375.60-1,155,838.51-665,598.36

Finding the Fourth Proportional to 837,375.60, 1,155,838.51 and 665,598.36

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Solution

The fourth proportional to 837,375.60, 1,155,838.51 and 665,598.36 is: 918,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,375.60 : 1,155,838.51 = 665,598.36 : x
  2. Step 2: Convert to fraction form
    837,375.60/1,155,838.51 = 665,598.36/x
  3. Step 3: Cross multiply
    837,375.60x = 1,155,838.51 × 665,598.36
  4. Step 4: Simplify right side
    837,375.60x = 769,324,216,680.84
  5. Step 5: Solve for x
    x = 769,324,216,680.84/837,375.60
  6. Step 6: Final answer
    x = 918,732.55

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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.