Home / 1,459,478.46-2,014,204.78-815,023.20

Finding the Fourth Proportional to 1,459,478.46, 2,014,204.78 and 815,023.20

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Solution

The fourth proportional to 1,459,478.46, 2,014,204.78 and 815,023.20 is: 1,124,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,478.46 : 2,014,204.78 = 815,023.20 : x
  2. Step 2: Convert to fraction form
    1,459,478.46/2,014,204.78 = 815,023.20/x
  3. Step 3: Cross multiply
    1,459,478.46x = 2,014,204.78 × 815,023.20
  4. Step 4: Simplify right side
    1,459,478.46x = 1,641,623,625,250.90
  5. Step 5: Solve for x
    x = 1,641,623,625,250.90/1,459,478.46
  6. Step 6: Final answer
    x = 1,124,801.54

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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.