Home / 1,298,830.73-1,792,441.76-725,870.88

Finding the Fourth Proportional to 1,298,830.73, 1,792,441.76 and 725,870.88

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Solution

The fourth proportional to 1,298,830.73, 1,792,441.76 and 725,870.88 is: 1,001,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,830.73 : 1,792,441.76 = 725,870.88 : x
  2. Step 2: Convert to fraction form
    1,298,830.73/1,792,441.76 = 725,870.88/x
  3. Step 3: Cross multiply
    1,298,830.73x = 1,792,441.76 × 725,870.88
  4. Step 4: Simplify right side
    1,298,830.73x = 1,301,081,277,679.95
  5. Step 5: Solve for x
    x = 1,301,081,277,679.95/1,298,830.73
  6. Step 6: Final answer
    x = 1,001,732.75

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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.