Home / 1,509,648.65-2,083,331.66-821,324.42

Finding the Fourth Proportional to 1,509,648.65, 2,083,331.66 and 821,324.42

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Solution

The fourth proportional to 1,509,648.65, 2,083,331.66 and 821,324.42 is: 1,133,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,648.65 : 2,083,331.66 = 821,324.42 : x
  2. Step 2: Convert to fraction form
    1,509,648.65/2,083,331.66 = 821,324.42/x
  3. Step 3: Cross multiply
    1,509,648.65x = 2,083,331.66 × 821,324.42
  4. Step 4: Simplify right side
    1,509,648.65x = 1,711,091,152,793.86
  5. Step 5: Solve for x
    x = 1,711,091,152,793.86/1,509,648.65
  6. Step 6: Final answer
    x = 1,133,436.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.