Home / 1,130,435.28-1,560,000.33-621,170.46

Finding the Fourth Proportional to 1,130,435.28, 1,560,000.33 and 621,170.46

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Solution

The fourth proportional to 1,130,435.28, 1,560,000.33 and 621,170.46 is: 857,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,435.28 : 1,560,000.33 = 621,170.46 : x
  2. Step 2: Convert to fraction form
    1,130,435.28/1,560,000.33 = 621,170.46/x
  3. Step 3: Cross multiply
    1,130,435.28x = 1,560,000.33 × 621,170.46
  4. Step 4: Simplify right side
    1,130,435.28x = 969,026,122,586.25
  5. Step 5: Solve for x
    x = 969,026,122,586.25/1,130,435.28
  6. Step 6: Final answer
    x = 857,215.04

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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.