Home / 1,247,443.80-1,869,015.30-581,229.40

Finding the Fourth Proportional to 1,247,443.80, 1,869,015.30 and 581,229.40

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Solution

The fourth proportional to 1,247,443.80, 1,869,015.30 and 581,229.40 is: 870,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,443.80 : 1,869,015.30 = 581,229.40 : x
  2. Step 2: Convert to fraction form
    1,247,443.80/1,869,015.30 = 581,229.40/x
  3. Step 3: Cross multiply
    1,247,443.80x = 1,869,015.30 × 581,229.40
  4. Step 4: Simplify right side
    1,247,443.80x = 1,086,326,641,409.82
  5. Step 5: Solve for x
    x = 1,086,326,641,409.82/1,247,443.80
  6. Step 6: Final answer
    x = 870,842.15

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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.