Home / 1,228,718.13-1,843,075.56-571,382.46

Finding the Fourth Proportional to 1,228,718.13, 1,843,075.56 and 571,382.46

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Solution

The fourth proportional to 1,228,718.13, 1,843,075.56 and 571,382.46 is: 857,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,718.13 : 1,843,075.56 = 571,382.46 : x
  2. Step 2: Convert to fraction form
    1,228,718.13/1,843,075.56 = 571,382.46/x
  3. Step 3: Cross multiply
    1,228,718.13x = 1,843,075.56 × 571,382.46
  4. Step 4: Simplify right side
    1,228,718.13x = 1,053,101,047,438.68
  5. Step 5: Solve for x
    x = 1,053,101,047,438.68/1,228,718.13
  6. Step 6: Final answer
    x = 857,072.93

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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.