Home / 1,120,371.80-1,680,557.70-923,541.80

Finding the Fourth Proportional to 1,120,371.80, 1,680,557.70 and 923,541.80

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Solution

The fourth proportional to 1,120,371.80, 1,680,557.70 and 923,541.80 is: 1,385,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,371.80 : 1,680,557.70 = 923,541.80 : x
  2. Step 2: Convert to fraction form
    1,120,371.80/1,680,557.70 = 923,541.80/x
  3. Step 3: Cross multiply
    1,120,371.80x = 1,680,557.70 × 923,541.80
  4. Step 4: Simplify right side
    1,120,371.80x = 1,552,065,283,261.86
  5. Step 5: Solve for x
    x = 1,552,065,283,261.86/1,120,371.80
  6. Step 6: Final answer
    x = 1,385,312.70

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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.