Home / 1,352,731.30-2,028,618.31-392,987.22

Finding the Fourth Proportional to 1,352,731.30, 2,028,618.31 and 392,987.22

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Solution

The fourth proportional to 1,352,731.30, 2,028,618.31 and 392,987.22 is: 589,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,731.30 : 2,028,618.31 = 392,987.22 : x
  2. Step 2: Convert to fraction form
    1,352,731.30/2,028,618.31 = 392,987.22/x
  3. Step 3: Cross multiply
    1,352,731.30x = 2,028,618.31 × 392,987.22
  4. Step 4: Simplify right side
    1,352,731.30x = 797,221,070,088.00
  5. Step 5: Solve for x
    x = 797,221,070,088.00/1,352,731.30
  6. Step 6: Final answer
    x = 589,341.78

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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.