Home / 1,298,829.66-1,792,440.29-725,869.82

Finding the Fourth Proportional to 1,298,829.66, 1,792,440.29 and 725,869.82

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Solution

The fourth proportional to 1,298,829.66, 1,792,440.29 and 725,869.82 is: 1,001,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,829.66 : 1,792,440.29 = 725,869.82 : x
  2. Step 2: Convert to fraction form
    1,298,829.66/1,792,440.29 = 725,869.82/x
  3. Step 3: Cross multiply
    1,298,829.66x = 1,792,440.29 × 725,869.82
  4. Step 4: Simplify right side
    1,298,829.66x = 1,301,078,310,663.05
  5. Step 5: Solve for x
    x = 1,301,078,310,663.05/1,298,829.66
  6. Step 6: Final answer
    x = 1,001,731.29

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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.