Home / 1,485,403.30-2,049,862.71-840,947.86

Finding the Fourth Proportional to 1,485,403.30, 2,049,862.71 and 840,947.86

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Solution

The fourth proportional to 1,485,403.30, 2,049,862.71 and 840,947.86 is: 1,160,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,403.30 : 2,049,862.71 = 840,947.86 : x
  2. Step 2: Convert to fraction form
    1,485,403.30/2,049,862.71 = 840,947.86/x
  3. Step 3: Cross multiply
    1,485,403.30x = 2,049,862.71 × 840,947.86
  4. Step 4: Simplify right side
    1,485,403.30x = 1,723,827,659,268.30
  5. Step 5: Solve for x
    x = 1,723,827,659,268.30/1,485,403.30
  6. Step 6: Final answer
    x = 1,160,511.53

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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.