Home / 1,036,690.20-1,554,930.18-278,433.17

Finding the Fourth Proportional to 1,036,690.20, 1,554,930.18 and 278,433.17

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Solution

The fourth proportional to 1,036,690.20, 1,554,930.18 and 278,433.17 is: 417,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,690.20 : 1,554,930.18 = 278,433.17 : x
  2. Step 2: Convert to fraction form
    1,036,690.20/1,554,930.18 = 278,433.17/x
  3. Step 3: Cross multiply
    1,036,690.20x = 1,554,930.18 × 278,433.17
  4. Step 4: Simplify right side
    1,036,690.20x = 432,944,131,371.42
  5. Step 5: Solve for x
    x = 432,944,131,371.42/1,036,690.20
  6. Step 6: Final answer
    x = 417,621.51

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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.