Home / 1,915,045.57-2,642,762.24-1,055,620.18

Finding the Fourth Proportional to 1,915,045.57, 2,642,762.24 and 1,055,620.18

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Solution

The fourth proportional to 1,915,045.57, 2,642,762.24 and 1,055,620.18 is: 1,456,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,045.57 : 2,642,762.24 = 1,055,620.18 : x
  2. Step 2: Convert to fraction form
    1,915,045.57/2,642,762.24 = 1,055,620.18/x
  3. Step 3: Cross multiply
    1,915,045.57x = 2,642,762.24 × 1,055,620.18
  4. Step 4: Simplify right side
    1,915,045.57x = 2,789,753,159,407.79
  5. Step 5: Solve for x
    x = 2,789,753,159,407.79/1,915,045.57
  6. Step 6: Final answer
    x = 1,456,755.50

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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.