Home / 1,352,730.80-2,028,617.56-392,986.72

Finding the Fourth Proportional to 1,352,730.80, 2,028,617.56 and 392,986.72

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Solution

The fourth proportional to 1,352,730.80, 2,028,617.56 and 392,986.72 is: 589,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,730.80 : 2,028,617.56 = 392,986.72 : x
  2. Step 2: Convert to fraction form
    1,352,730.80/2,028,617.56 = 392,986.72/x
  3. Step 3: Cross multiply
    1,352,730.80x = 2,028,617.56 × 392,986.72
  4. Step 4: Simplify right side
    1,352,730.80x = 797,219,761,038.80
  5. Step 5: Solve for x
    x = 797,219,761,038.80/1,352,730.80
  6. Step 6: Final answer
    x = 589,341.03

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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.