Home / 1,328,949.28-1,833,923.60-725,341.60

Finding the Fourth Proportional to 1,328,949.28, 1,833,923.60 and 725,341.60

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Solution

The fourth proportional to 1,328,949.28, 1,833,923.60 and 725,341.60 is: 1,000,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,949.28 : 1,833,923.60 = 725,341.60 : x
  2. Step 2: Convert to fraction form
    1,328,949.28/1,833,923.60 = 725,341.60/x
  3. Step 3: Cross multiply
    1,328,949.28x = 1,833,923.60 × 725,341.60
  4. Step 4: Simplify right side
    1,328,949.28x = 1,330,221,078,301.76
  5. Step 5: Solve for x
    x = 1,330,221,078,301.76/1,328,949.28
  6. Step 6: Final answer
    x = 1,000,957.00

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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.