Home / 1,036,736.01-1,554,998.85-278,478.95

Finding the Fourth Proportional to 1,036,736.01, 1,554,998.85 and 278,478.95

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Solution

The fourth proportional to 1,036,736.01, 1,554,998.85 and 278,478.95 is: 417,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,736.01 : 1,554,998.85 = 278,478.95 : x
  2. Step 2: Convert to fraction form
    1,036,736.01/1,554,998.85 = 278,478.95/x
  3. Step 3: Cross multiply
    1,036,736.01x = 1,554,998.85 × 278,478.95
  4. Step 4: Simplify right side
    1,036,736.01x = 433,034,446,999.21
  5. Step 5: Solve for x
    x = 433,034,446,999.21/1,036,736.01
  6. Step 6: Final answer
    x = 417,690.18

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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.