Home / 1,298,866.96-1,792,439.00-725,907.11

Finding the Fourth Proportional to 1,298,866.96, 1,792,439.00 and 725,907.11

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Solution

The fourth proportional to 1,298,866.96, 1,792,439.00 and 725,907.11 is: 1,001,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,866.96 : 1,792,439.00 = 725,907.11 : x
  2. Step 2: Convert to fraction form
    1,298,866.96/1,792,439.00 = 725,907.11/x
  3. Step 3: Cross multiply
    1,298,866.96x = 1,792,439.00 × 725,907.11
  4. Step 4: Simplify right side
    1,298,866.96x = 1,301,144,220,637.16
  5. Step 5: Solve for x
    x = 1,301,144,220,637.16/1,298,866.96
  6. Step 6: Final answer
    x = 1,001,753.27

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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.