Home / 1,200,537.32-1,800,809.01-490,565.30

Finding the Fourth Proportional to 1,200,537.32, 1,800,809.01 and 490,565.30

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Solution

The fourth proportional to 1,200,537.32, 1,800,809.01 and 490,565.30 is: 735,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,537.32 : 1,800,809.01 = 490,565.30 : x
  2. Step 2: Convert to fraction form
    1,200,537.32/1,800,809.01 = 490,565.30/x
  3. Step 3: Cross multiply
    1,200,537.32x = 1,800,809.01 × 490,565.30
  4. Step 4: Simplify right side
    1,200,537.32x = 883,414,403,229.31
  5. Step 5: Solve for x
    x = 883,414,403,229.31/1,200,537.32
  6. Step 6: Final answer
    x = 735,849.18

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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.