Home / 1,131,080.19-1,696,605.34-278,159.20

Finding the Fourth Proportional to 1,131,080.19, 1,696,605.34 and 278,159.20

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Solution

The fourth proportional to 1,131,080.19, 1,696,605.34 and 278,159.20 is: 417,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,080.19 : 1,696,605.34 = 278,159.20 : x
  2. Step 2: Convert to fraction form
    1,131,080.19/1,696,605.34 = 278,159.20/x
  3. Step 3: Cross multiply
    1,131,080.19x = 1,696,605.34 × 278,159.20
  4. Step 4: Simplify right side
    1,131,080.19x = 471,926,374,216.31
  5. Step 5: Solve for x
    x = 471,926,374,216.31/1,131,080.19
  6. Step 6: Final answer
    x = 417,235.12

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1.5x scale

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.