Home / 1,298,865.90-1,792,437.53-725,906.05

Finding the Fourth Proportional to 1,298,865.90, 1,792,437.53 and 725,906.05

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Solution

The fourth proportional to 1,298,865.90, 1,792,437.53 and 725,906.05 is: 1,001,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,865.90 : 1,792,437.53 = 725,906.05 : x
  2. Step 2: Convert to fraction form
    1,298,865.90/1,792,437.53 = 725,906.05/x
  3. Step 3: Cross multiply
    1,298,865.90x = 1,792,437.53 × 725,906.05
  4. Step 4: Simplify right side
    1,298,865.90x = 1,301,141,247,274.06
  5. Step 5: Solve for x
    x = 1,301,141,247,274.06/1,298,865.90
  6. Step 6: Final answer
    x = 1,001,751.80

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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.