Home / 1,438,029.88-2,155,405.88-898,535.25

Finding the Fourth Proportional to 1,438,029.88, 2,155,405.88 and 898,535.25

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Solution

The fourth proportional to 1,438,029.88, 2,155,405.88 and 898,535.25 is: 1,346,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,029.88 : 2,155,405.88 = 898,535.25 : x
  2. Step 2: Convert to fraction form
    1,438,029.88/2,155,405.88 = 898,535.25/x
  3. Step 3: Cross multiply
    1,438,029.88x = 2,155,405.88 × 898,535.25
  4. Step 4: Simplify right side
    1,438,029.88x = 1,936,708,163,483.61
  5. Step 5: Solve for x
    x = 1,936,708,163,483.61/1,438,029.88
  6. Step 6: Final answer
    x = 1,346,778.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.