Home / 1,054,911.30-1,581,330.15-942,936.90

Finding the Fourth Proportional to 1,054,911.30, 1,581,330.15 and 942,936.90

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Solution

The fourth proportional to 1,054,911.30, 1,581,330.15 and 942,936.90 is: 1,413,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,911.30 : 1,581,330.15 = 942,936.90 : x
  2. Step 2: Convert to fraction form
    1,054,911.30/1,581,330.15 = 942,936.90/x
  3. Step 3: Cross multiply
    1,054,911.30x = 1,581,330.15 × 942,936.90
  4. Step 4: Simplify right side
    1,054,911.30x = 1,491,094,549,517.54
  5. Step 5: Solve for x
    x = 1,491,094,549,517.54/1,054,911.30
  6. Step 6: Final answer
    x = 1,413,478.60

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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.