Home / 1,260,444.65-1,890,753.12-361,817.28

Finding the Fourth Proportional to 1,260,444.65, 1,890,753.12 and 361,817.28

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Solution

The fourth proportional to 1,260,444.65, 1,890,753.12 and 361,817.28 is: 542,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,444.65 : 1,890,753.12 = 361,817.28 : x
  2. Step 2: Convert to fraction form
    1,260,444.65/1,890,753.12 = 361,817.28/x
  3. Step 3: Cross multiply
    1,260,444.65x = 1,890,753.12 × 361,817.28
  4. Step 4: Simplify right side
    1,260,444.65x = 684,107,151,029.91
  5. Step 5: Solve for x
    x = 684,107,151,029.91/1,260,444.65
  6. Step 6: Final answer
    x = 542,750.65

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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.