Home / 839,812.20-1,262,828.70-702,954.60

Finding the Fourth Proportional to 839,812.20, 1,262,828.70 and 702,954.60

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Solution

The fourth proportional to 839,812.20, 1,262,828.70 and 702,954.60 is: 1,057,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,812.20 : 1,262,828.70 = 702,954.60 : x
  2. Step 2: Convert to fraction form
    839,812.20/1,262,828.70 = 702,954.60/x
  3. Step 3: Cross multiply
    839,812.20x = 1,262,828.70 × 702,954.60
  4. Step 4: Simplify right side
    839,812.20x = 887,711,243,677.02
  5. Step 5: Solve for x
    x = 887,711,243,677.02/839,812.20
  6. Step 6: Final answer
    x = 1,057,035.42

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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.