Home / 1,797,640.32-2,480,420.16-1,072,217.28

Finding the Fourth Proportional to 1,797,640.32, 2,480,420.16 and 1,072,217.28

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Solution

The fourth proportional to 1,797,640.32, 2,480,420.16 and 1,072,217.28 is: 1,479,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,640.32 : 2,480,420.16 = 1,072,217.28 : x
  2. Step 2: Convert to fraction form
    1,797,640.32/2,480,420.16 = 1,072,217.28/x
  3. Step 3: Cross multiply
    1,797,640.32x = 2,480,420.16 × 1,072,217.28
  4. Step 4: Simplify right side
    1,797,640.32x = 2,659,549,357,212.37
  5. Step 5: Solve for x
    x = 2,659,549,357,212.37/1,797,640.32
  6. Step 6: Final answer
    x = 1,479,466.90

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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.