Home / 1,016,947.20-1,525,372.20-342,962.40

Finding the Fourth Proportional to 1,016,947.20, 1,525,372.20 and 342,962.40

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Solution

The fourth proportional to 1,016,947.20, 1,525,372.20 and 342,962.40 is: 514,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,947.20 : 1,525,372.20 = 342,962.40 : x
  2. Step 2: Convert to fraction form
    1,016,947.20/1,525,372.20 = 342,962.40/x
  3. Step 3: Cross multiply
    1,016,947.20x = 1,525,372.20 × 342,962.40
  4. Step 4: Simplify right side
    1,016,947.20x = 523,145,310,605.28
  5. Step 5: Solve for x
    x = 523,145,310,605.28/1,016,947.20
  6. Step 6: Final answer
    x = 514,427.21

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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.