Home / 1,053,886.09-1,581,080.64-343,915.42

Finding the Fourth Proportional to 1,053,886.09, 1,581,080.64 and 343,915.42

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Solution

The fourth proportional to 1,053,886.09, 1,581,080.64 and 343,915.42 is: 515,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,886.09 : 1,581,080.64 = 343,915.42 : x
  2. Step 2: Convert to fraction form
    1,053,886.09/1,581,080.64 = 343,915.42/x
  3. Step 3: Cross multiply
    1,053,886.09x = 1,581,080.64 × 343,915.42
  4. Step 4: Simplify right side
    1,053,886.09x = 543,758,012,359.47
  5. Step 5: Solve for x
    x = 543,758,012,359.47/1,053,886.09
  6. Step 6: Final answer
    x = 515,955.20

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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.