Home / 1,345,364.30-2,017,042.05-812,773.10

Finding the Fourth Proportional to 1,345,364.30, 2,017,042.05 and 812,773.10

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Solution

The fourth proportional to 1,345,364.30, 2,017,042.05 and 812,773.10 is: 1,218,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,364.30 : 2,017,042.05 = 812,773.10 : x
  2. Step 2: Convert to fraction form
    1,345,364.30/2,017,042.05 = 812,773.10/x
  3. Step 3: Cross multiply
    1,345,364.30x = 2,017,042.05 × 812,773.10
  4. Step 4: Simplify right side
    1,345,364.30x = 1,639,397,519,808.86
  5. Step 5: Solve for x
    x = 1,639,397,519,808.86/1,345,364.30
  6. Step 6: Final answer
    x = 1,218,552.86

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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.