Home / 1,360,188.28-1,877,029.50-787,216.96

Finding the Fourth Proportional to 1,360,188.28, 1,877,029.50 and 787,216.96

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Solution

The fourth proportional to 1,360,188.28, 1,877,029.50 and 787,216.96 is: 1,086,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,188.28 : 1,877,029.50 = 787,216.96 : x
  2. Step 2: Convert to fraction form
    1,360,188.28/1,877,029.50 = 787,216.96/x
  3. Step 3: Cross multiply
    1,360,188.28x = 1,877,029.50 × 787,216.96
  4. Step 4: Simplify right side
    1,360,188.28x = 1,477,629,456,820.32
  5. Step 5: Solve for x
    x = 1,477,629,456,820.32/1,360,188.28
  6. Step 6: Final answer
    x = 1,086,341.85

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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.