Home / 1,298,771.04-1,792,310.67-725,820.78

Finding the Fourth Proportional to 1,298,771.04, 1,792,310.67 and 725,820.78

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Solution

The fourth proportional to 1,298,771.04, 1,792,310.67 and 725,820.78 is: 1,001,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,771.04 : 1,792,310.67 = 725,820.78 : x
  2. Step 2: Convert to fraction form
    1,298,771.04/1,792,310.67 = 725,820.78/x
  3. Step 3: Cross multiply
    1,298,771.04x = 1,792,310.67 × 725,820.78
  4. Step 4: Simplify right side
    1,298,771.04x = 1,300,896,328,501.72
  5. Step 5: Solve for x
    x = 1,300,896,328,501.72/1,298,771.04
  6. Step 6: Final answer
    x = 1,001,636.38

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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.