Home / 1,129,794-1,694,689.44-288,345.72

Finding the Fourth Proportional to 1,129,794, 1,694,689.44 and 288,345.72

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Solution

The fourth proportional to 1,129,794, 1,694,689.44 and 288,345.72 is: 432,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,794 : 1,694,689.44 = 288,345.72 : x
  2. Step 2: Convert to fraction form
    1,129,794/1,694,689.44 = 288,345.72/x
  3. Step 3: Cross multiply
    1,129,794x = 1,694,689.44 × 288,345.72
  4. Step 4: Simplify right side
    1,129,794x = 488,656,446,753.20
  5. Step 5: Solve for x
    x = 488,656,446,753.20/1,129,794
  6. Step 6: Final answer
    x = 432,518.18

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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.