Home / 1,053,896.10-1,581,009.40-343,760.18

Finding the Fourth Proportional to 1,053,896.10, 1,581,009.40 and 343,760.18

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Solution

The fourth proportional to 1,053,896.10, 1,581,009.40 and 343,760.18 is: 515,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,896.10 : 1,581,009.40 = 343,760.18 : x
  2. Step 2: Convert to fraction form
    1,053,896.10/1,581,009.40 = 343,760.18/x
  3. Step 3: Cross multiply
    1,053,896.10x = 1,581,009.40 × 343,760.18
  4. Step 4: Simplify right side
    1,053,896.10x = 543,488,075,925.69
  5. Step 5: Solve for x
    x = 543,488,075,925.69/1,053,896.10
  6. Step 6: Final answer
    x = 515,694.17

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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.