Home / 1,804,360.50-2,490,017.49-1,079,238.78

Finding the Fourth Proportional to 1,804,360.50, 2,490,017.49 and 1,079,238.78

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Solution

The fourth proportional to 1,804,360.50, 2,490,017.49 and 1,079,238.78 is: 1,489,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,360.50 : 2,490,017.49 = 1,079,238.78 : x
  2. Step 2: Convert to fraction form
    1,804,360.50/2,490,017.49 = 1,079,238.78/x
  3. Step 3: Cross multiply
    1,804,360.50x = 2,490,017.49 × 1,079,238.78
  4. Step 4: Simplify right side
    1,804,360.50x = 2,687,323,438,086.26
  5. Step 5: Solve for x
    x = 2,687,323,438,086.26/1,804,360.50
  6. Step 6: Final answer
    x = 1,489,349.52

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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.