Home / 1,000,020.32-1,380,019.92-547,310.24

Finding the Fourth Proportional to 1,000,020.32, 1,380,019.92 and 547,310.24

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Solution

The fourth proportional to 1,000,020.32, 1,380,019.92 and 547,310.24 is: 755,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,020.32 : 1,380,019.92 = 547,310.24 : x
  2. Step 2: Convert to fraction form
    1,000,020.32/1,380,019.92 = 547,310.24/x
  3. Step 3: Cross multiply
    1,000,020.32x = 1,380,019.92 × 547,310.24
  4. Step 4: Simplify right side
    1,000,020.32x = 755,299,033,619.98
  5. Step 5: Solve for x
    x = 755,299,033,619.98/1,000,020.32
  6. Step 6: Final answer
    x = 755,283.69

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1.5x scale

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.