Home / 1,298,731.08-1,792,243.68-725,771.10

Finding the Fourth Proportional to 1,298,731.08, 1,792,243.68 and 725,771.10

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Solution

The fourth proportional to 1,298,731.08, 1,792,243.68 and 725,771.10 is: 1,001,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,731.08 : 1,792,243.68 = 725,771.10 : x
  2. Step 2: Convert to fraction form
    1,298,731.08/1,792,243.68 = 725,771.10/x
  3. Step 3: Cross multiply
    1,298,731.08x = 1,792,243.68 × 725,771.10
  4. Step 4: Simplify right side
    1,298,731.08x = 1,300,758,667,101.65
  5. Step 5: Solve for x
    x = 1,300,758,667,101.65/1,298,731.08
  6. Step 6: Final answer
    x = 1,001,561.21

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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.