Home / 1,299,135.30-1,947,666.15-550,565.70

Finding the Fourth Proportional to 1,299,135.30, 1,947,666.15 and 550,565.70

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Solution

The fourth proportional to 1,299,135.30, 1,947,666.15 and 550,565.70 is: 825,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,135.30 : 1,947,666.15 = 550,565.70 : x
  2. Step 2: Convert to fraction form
    1,299,135.30/1,947,666.15 = 550,565.70/x
  3. Step 3: Cross multiply
    1,299,135.30x = 1,947,666.15 × 550,565.70
  4. Step 4: Simplify right side
    1,299,135.30x = 1,072,318,177,241.05
  5. Step 5: Solve for x
    x = 1,072,318,177,241.05/1,299,135.30
  6. Step 6: Final answer
    x = 825,409.16

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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.