Home / 1,804,923.20-2,490,135-1,079,791.76

Finding the Fourth Proportional to 1,804,923.20, 2,490,135 and 1,079,791.76

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Solution

The fourth proportional to 1,804,923.20, 2,490,135 and 1,079,791.76 is: 1,489,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,923.20 : 2,490,135 = 1,079,791.76 : x
  2. Step 2: Convert to fraction form
    1,804,923.20/2,490,135 = 1,079,791.76/x
  3. Step 3: Cross multiply
    1,804,923.20x = 2,490,135 × 1,079,791.76
  4. Step 4: Simplify right side
    1,804,923.20x = 2,688,827,254,287.60
  5. Step 5: Solve for x
    x = 2,688,827,254,287.60/1,804,923.20
  6. Step 6: Final answer
    x = 1,489,718.37

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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.