Home / 1,189,445.92-1,784,153.42-290,895.46

Finding the Fourth Proportional to 1,189,445.92, 1,784,153.42 and 290,895.46

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Solution

The fourth proportional to 1,189,445.92, 1,784,153.42 and 290,895.46 is: 436,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,445.92 : 1,784,153.42 = 290,895.46 : x
  2. Step 2: Convert to fraction form
    1,189,445.92/1,784,153.42 = 290,895.46/x
  3. Step 3: Cross multiply
    1,189,445.92x = 1,784,153.42 × 290,895.46
  4. Step 4: Simplify right side
    1,189,445.92x = 519,002,129,821.47
  5. Step 5: Solve for x
    x = 519,002,129,821.47/1,189,445.92
  6. Step 6: Final answer
    x = 436,339.41

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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.