Home / 912,963.60-1,369,445.40-889,635.60

Finding the Fourth Proportional to 912,963.60, 1,369,445.40 and 889,635.60

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Solution

The fourth proportional to 912,963.60, 1,369,445.40 and 889,635.60 is: 1,334,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,963.60 : 1,369,445.40 = 889,635.60 : x
  2. Step 2: Convert to fraction form
    912,963.60/1,369,445.40 = 889,635.60/x
  3. Step 3: Cross multiply
    912,963.60x = 1,369,445.40 × 889,635.60
  4. Step 4: Simplify right side
    912,963.60x = 1,218,307,380,096.24
  5. Step 5: Solve for x
    x = 1,218,307,380,096.24/912,963.60
  6. Step 6: Final answer
    x = 1,334,453.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.