Home / 1,025,920.98-1,538,960.91-342,810.20

Finding the Fourth Proportional to 1,025,920.98, 1,538,960.91 and 342,810.20

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Solution

The fourth proportional to 1,025,920.98, 1,538,960.91 and 342,810.20 is: 514,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,920.98 : 1,538,960.91 = 342,810.20 : x
  2. Step 2: Convert to fraction form
    1,025,920.98/1,538,960.91 = 342,810.20/x
  3. Step 3: Cross multiply
    1,025,920.98x = 1,538,960.91 × 342,810.20
  4. Step 4: Simplify right side
    1,025,920.98x = 527,571,496,711.12
  5. Step 5: Solve for x
    x = 527,571,496,711.12/1,025,920.98
  6. Step 6: Final answer
    x = 514,241.84

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1.5x scale

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.