Home / 1,298,768.04-1,792,306.53-725,817.78

Finding the Fourth Proportional to 1,298,768.04, 1,792,306.53 and 725,817.78

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Solution

The fourth proportional to 1,298,768.04, 1,792,306.53 and 725,817.78 is: 1,001,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,768.04 : 1,792,306.53 = 725,817.78 : x
  2. Step 2: Convert to fraction form
    1,298,768.04/1,792,306.53 = 725,817.78/x
  3. Step 3: Cross multiply
    1,298,768.04x = 1,792,306.53 × 725,817.78
  4. Step 4: Simplify right side
    1,298,768.04x = 1,300,887,946,684.10
  5. Step 5: Solve for x
    x = 1,300,887,946,684.10/1,298,768.04
  6. Step 6: Final answer
    x = 1,001,632.24

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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.