Home / 1,048,387.20-1,571,264.64-448,643.04

Finding the Fourth Proportional to 1,048,387.20, 1,571,264.64 and 448,643.04

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Solution

The fourth proportional to 1,048,387.20, 1,571,264.64 and 448,643.04 is: 672,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,387.20 : 1,571,264.64 = 448,643.04 : x
  2. Step 2: Convert to fraction form
    1,048,387.20/1,571,264.64 = 448,643.04/x
  3. Step 3: Cross multiply
    1,048,387.20x = 1,571,264.64 × 448,643.04
  4. Step 4: Simplify right side
    1,048,387.20x = 704,936,944,734.11
  5. Step 5: Solve for x
    x = 704,936,944,734.11/1,048,387.20
  6. Step 6: Final answer
    x = 672,401.33

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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.