Home / 1,719,131.68-2,578,694.70-456,959.32

Finding the Fourth Proportional to 1,719,131.68, 2,578,694.70 and 456,959.32

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Solution

The fourth proportional to 1,719,131.68, 2,578,694.70 and 456,959.32 is: 685,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,131.68 : 2,578,694.70 = 456,959.32 : x
  2. Step 2: Convert to fraction form
    1,719,131.68/2,578,694.70 = 456,959.32/x
  3. Step 3: Cross multiply
    1,719,131.68x = 2,578,694.70 × 456,959.32
  4. Step 4: Simplify right side
    1,719,131.68x = 1,178,358,576,599.60
  5. Step 5: Solve for x
    x = 1,178,358,576,599.60/1,719,131.68
  6. Step 6: Final answer
    x = 685,438.23

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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.