Home / 839,816.70-1,262,835.45-702,959.10

Finding the Fourth Proportional to 839,816.70, 1,262,835.45 and 702,959.10

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Solution

The fourth proportional to 839,816.70, 1,262,835.45 and 702,959.10 is: 1,057,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,816.70 : 1,262,835.45 = 702,959.10 : x
  2. Step 2: Convert to fraction form
    839,816.70/1,262,835.45 = 702,959.10/x
  3. Step 3: Cross multiply
    839,816.70x = 1,262,835.45 × 702,959.10
  4. Step 4: Simplify right side
    839,816.70x = 887,721,671,380.10
  5. Step 5: Solve for x
    x = 887,721,671,380.10/839,816.70
  6. Step 6: Final answer
    x = 1,057,042.18

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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.