Home / 921,223.86-1,380,787.57-560,599.35

Finding the Fourth Proportional to 921,223.86, 1,380,787.57 and 560,599.35

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Solution

The fourth proportional to 921,223.86, 1,380,787.57 and 560,599.35 is: 840,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,223.86 : 1,380,787.57 = 560,599.35 : x
  2. Step 2: Convert to fraction form
    921,223.86/1,380,787.57 = 560,599.35/x
  3. Step 3: Cross multiply
    921,223.86x = 1,380,787.57 × 560,599.35
  4. Step 4: Simplify right side
    921,223.86x = 774,068,614,230.08
  5. Step 5: Solve for x
    x = 774,068,614,230.08/921,223.86
  6. Step 6: Final answer
    x = 840,261.14

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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.