Home / 1,120,353.30-1,680,529.95-923,523.30

Finding the Fourth Proportional to 1,120,353.30, 1,680,529.95 and 923,523.30

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Solution

The fourth proportional to 1,120,353.30, 1,680,529.95 and 923,523.30 is: 1,385,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,353.30 : 1,680,529.95 = 923,523.30 : x
  2. Step 2: Convert to fraction form
    1,120,353.30/1,680,529.95 = 923,523.30/x
  3. Step 3: Cross multiply
    1,120,353.30x = 1,680,529.95 × 923,523.30
  4. Step 4: Simplify right side
    1,120,353.30x = 1,552,008,565,172.84
  5. Step 5: Solve for x
    x = 1,552,008,565,172.84/1,120,353.30
  6. Step 6: Final answer
    x = 1,385,284.95

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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.