Home / 1,915,135.74-2,642,834.25-1,055,695.77

Finding the Fourth Proportional to 1,915,135.74, 2,642,834.25 and 1,055,695.77

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Solution

The fourth proportional to 1,915,135.74, 2,642,834.25 and 1,055,695.77 is: 1,456,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,135.74 : 2,642,834.25 = 1,055,695.77 : x
  2. Step 2: Convert to fraction form
    1,915,135.74/2,642,834.25 = 1,055,695.77/x
  3. Step 3: Cross multiply
    1,915,135.74x = 2,642,834.25 × 1,055,695.77
  4. Step 4: Simplify right side
    1,915,135.74x = 2,790,028,938,536.12
  5. Step 5: Solve for x
    x = 2,790,028,938,536.12/1,915,135.74
  6. Step 6: Final answer
    x = 1,456,830.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.