Home / 1,804,359-2,490,015.42-1,079,237.28

Finding the Fourth Proportional to 1,804,359, 2,490,015.42 and 1,079,237.28

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Solution

The fourth proportional to 1,804,359, 2,490,015.42 and 1,079,237.28 is: 1,489,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,359 : 2,490,015.42 = 1,079,237.28 : x
  2. Step 2: Convert to fraction form
    1,804,359/2,490,015.42 = 1,079,237.28/x
  3. Step 3: Cross multiply
    1,804,359x = 2,490,015.42 × 1,079,237.28
  4. Step 4: Simplify right side
    1,804,359x = 2,687,317,469,038.86
  5. Step 5: Solve for x
    x = 2,687,317,469,038.86/1,804,359
  6. Step 6: Final answer
    x = 1,489,347.45

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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.