Home / 1,298,769.08-1,792,296.09-725,809.10

Finding the Fourth Proportional to 1,298,769.08, 1,792,296.09 and 725,809.10

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Solution

The fourth proportional to 1,298,769.08, 1,792,296.09 and 725,809.10 is: 1,001,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,769.08 : 1,792,296.09 = 725,809.10 : x
  2. Step 2: Convert to fraction form
    1,298,769.08/1,792,296.09 = 725,809.10/x
  3. Step 3: Cross multiply
    1,298,769.08x = 1,792,296.09 × 725,809.10
  4. Step 4: Simplify right side
    1,298,769.08x = 1,300,864,812,016.42
  5. Step 5: Solve for x
    x = 1,300,864,812,016.42/1,298,769.08
  6. Step 6: Final answer
    x = 1,001,613.63

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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.