Home / 1,209,599.47-1,669,247.42-658,317.25

Finding the Fourth Proportional to 1,209,599.47, 1,669,247.42 and 658,317.25

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Solution

The fourth proportional to 1,209,599.47, 1,669,247.42 and 658,317.25 is: 908,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,599.47 : 1,669,247.42 = 658,317.25 : x
  2. Step 2: Convert to fraction form
    1,209,599.47/1,669,247.42 = 658,317.25/x
  3. Step 3: Cross multiply
    1,209,599.47x = 1,669,247.42 × 658,317.25
  4. Step 4: Simplify right side
    1,209,599.47x = 1,098,894,371,104.00
  5. Step 5: Solve for x
    x = 1,098,894,371,104.00/1,209,599.47
  6. Step 6: Final answer
    x = 908,477.89

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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.