Home / 1,120,026.27-1,680,036.21-278,578.02

Finding the Fourth Proportional to 1,120,026.27, 1,680,036.21 and 278,578.02

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Solution

The fourth proportional to 1,120,026.27, 1,680,036.21 and 278,578.02 is: 417,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,026.27 : 1,680,036.21 = 278,578.02 : x
  2. Step 2: Convert to fraction form
    1,120,026.27/1,680,036.21 = 278,578.02/x
  3. Step 3: Cross multiply
    1,120,026.27x = 1,680,036.21 × 278,578.02
  4. Step 4: Simplify right side
    1,120,026.27x = 468,021,160,910.10
  5. Step 5: Solve for x
    x = 468,021,160,910.10/1,120,026.27
  6. Step 6: Final answer
    x = 417,866.24

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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.