Home / 1,354,295.68-2,029,693.92-644,541.28

Finding the Fourth Proportional to 1,354,295.68, 2,029,693.92 and 644,541.28

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Solution

The fourth proportional to 1,354,295.68, 2,029,693.92 and 644,541.28 is: 965,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,295.68 : 2,029,693.92 = 644,541.28 : x
  2. Step 2: Convert to fraction form
    1,354,295.68/2,029,693.92 = 644,541.28/x
  3. Step 3: Cross multiply
    1,354,295.68x = 2,029,693.92 × 644,541.28
  4. Step 4: Simplify right side
    1,354,295.68x = 1,308,221,517,205.02
  5. Step 5: Solve for x
    x = 1,308,221,517,205.02/1,354,295.68
  6. Step 6: Final answer
    x = 965,979.24

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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.