Home / 1,145,543.12-1,718,625.72-346,851.44

Finding the Fourth Proportional to 1,145,543.12, 1,718,625.72 and 346,851.44

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Solution

The fourth proportional to 1,145,543.12, 1,718,625.72 and 346,851.44 is: 520,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,543.12 : 1,718,625.72 = 346,851.44 : x
  2. Step 2: Convert to fraction form
    1,145,543.12/1,718,625.72 = 346,851.44/x
  3. Step 3: Cross multiply
    1,145,543.12x = 1,718,625.72 × 346,851.44
  4. Step 4: Simplify right side
    1,145,543.12x = 596,107,805,803.04
  5. Step 5: Solve for x
    x = 596,107,805,803.04/1,145,543.12
  6. Step 6: Final answer
    x = 520,371.34

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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.