Home / 1,298,724.92-1,792,206.96-725,769.80

Finding the Fourth Proportional to 1,298,724.92, 1,792,206.96 and 725,769.80

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Solution

The fourth proportional to 1,298,724.92, 1,792,206.96 and 725,769.80 is: 1,001,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,724.92 : 1,792,206.96 = 725,769.80 : x
  2. Step 2: Convert to fraction form
    1,298,724.92/1,792,206.96 = 725,769.80/x
  3. Step 3: Cross multiply
    1,298,724.92x = 1,792,206.96 × 725,769.80
  4. Step 4: Simplify right side
    1,298,724.92x = 1,300,729,686,917.81
  5. Step 5: Solve for x
    x = 1,300,729,686,917.81/1,298,724.92
  6. Step 6: Final answer
    x = 1,001,543.64

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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.