Home / 1,464,645.20-2,198,263.80-864,856.40

Finding the Fourth Proportional to 1,464,645.20, 2,198,263.80 and 864,856.40

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Solution

The fourth proportional to 1,464,645.20, 2,198,263.80 and 864,856.40 is: 1,298,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,645.20 : 2,198,263.80 = 864,856.40 : x
  2. Step 2: Convert to fraction form
    1,464,645.20/2,198,263.80 = 864,856.40/x
  3. Step 3: Cross multiply
    1,464,645.20x = 2,198,263.80 × 864,856.40
  4. Step 4: Simplify right side
    1,464,645.20x = 1,901,182,516,318.32
  5. Step 5: Solve for x
    x = 1,901,182,516,318.32/1,464,645.20
  6. Step 6: Final answer
    x = 1,298,049.87

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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.