Home / 1,426,793.40-2,140,469.28-528,243.12

Finding the Fourth Proportional to 1,426,793.40, 2,140,469.28 and 528,243.12

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Solution

The fourth proportional to 1,426,793.40, 2,140,469.28 and 528,243.12 is: 792,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,793.40 : 2,140,469.28 = 528,243.12 : x
  2. Step 2: Convert to fraction form
    1,426,793.40/2,140,469.28 = 528,243.12/x
  3. Step 3: Cross multiply
    1,426,793.40x = 2,140,469.28 × 528,243.12
  4. Step 4: Simplify right side
    1,426,793.40x = 1,130,688,170,731.35
  5. Step 5: Solve for x
    x = 1,130,688,170,731.35/1,426,793.40
  6. Step 6: Final answer
    x = 792,468.04

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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.