Home / 1,290,517.02-1,934,093.61-658,898.46

Finding the Fourth Proportional to 1,290,517.02, 1,934,093.61 and 658,898.46

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Solution

The fourth proportional to 1,290,517.02, 1,934,093.61 and 658,898.46 is: 987,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,517.02 : 1,934,093.61 = 658,898.46 : x
  2. Step 2: Convert to fraction form
    1,290,517.02/1,934,093.61 = 658,898.46/x
  3. Step 3: Cross multiply
    1,290,517.02x = 1,934,093.61 × 658,898.46
  4. Step 4: Simplify right side
    1,290,517.02x = 1,274,371,301,124.84
  5. Step 5: Solve for x
    x = 1,274,371,301,124.84/1,290,517.02
  6. Step 6: Final answer
    x = 987,488.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.