Home / 1,381,164.32-2,071,889.50-528,230.64

Finding the Fourth Proportional to 1,381,164.32, 2,071,889.50 and 528,230.64

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Solution

The fourth proportional to 1,381,164.32, 2,071,889.50 and 528,230.64 is: 792,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,164.32 : 2,071,889.50 = 528,230.64 : x
  2. Step 2: Convert to fraction form
    1,381,164.32/2,071,889.50 = 528,230.64/x
  3. Step 3: Cross multiply
    1,381,164.32x = 2,071,889.50 × 528,230.64
  4. Step 4: Simplify right side
    1,381,164.32x = 1,094,435,516,594.28
  5. Step 5: Solve for x
    x = 1,094,435,516,594.28/1,381,164.32
  6. Step 6: Final answer
    x = 792,400.66

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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.