Home / 889,751.28-1,340,698.56-735,436.56

Finding the Fourth Proportional to 889,751.28, 1,340,698.56 and 735,436.56

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Solution

The fourth proportional to 889,751.28, 1,340,698.56 and 735,436.56 is: 1,108,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,751.28 : 1,340,698.56 = 735,436.56 : x
  2. Step 2: Convert to fraction form
    889,751.28/1,340,698.56 = 735,436.56/x
  3. Step 3: Cross multiply
    889,751.28x = 1,340,698.56 × 735,436.56
  4. Step 4: Simplify right side
    889,751.28x = 985,998,736,963.35
  5. Step 5: Solve for x
    x = 985,998,736,963.35/889,751.28
  6. Step 6: Final answer
    x = 1,108,173.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.