Home / 1,121,034.50-1,547,031.88-611,736.88

Finding the Fourth Proportional to 1,121,034.50, 1,547,031.88 and 611,736.88

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Solution

The fourth proportional to 1,121,034.50, 1,547,031.88 and 611,736.88 is: 844,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,034.50 : 1,547,031.88 = 611,736.88 : x
  2. Step 2: Convert to fraction form
    1,121,034.50/1,547,031.88 = 611,736.88/x
  3. Step 3: Cross multiply
    1,121,034.50x = 1,547,031.88 × 611,736.88
  4. Step 4: Simplify right side
    1,121,034.50x = 946,376,455,531.73
  5. Step 5: Solve for x
    x = 946,376,455,531.73/1,121,034.50
  6. Step 6: Final answer
    x = 844,199.22

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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.