Home / 1,009,717.12-1,393,362.72-579,694.56

Finding the Fourth Proportional to 1,009,717.12, 1,393,362.72 and 579,694.56

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Solution

The fourth proportional to 1,009,717.12, 1,393,362.72 and 579,694.56 is: 799,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,717.12 : 1,393,362.72 = 579,694.56 : x
  2. Step 2: Convert to fraction form
    1,009,717.12/1,393,362.72 = 579,694.56/x
  3. Step 3: Cross multiply
    1,009,717.12x = 1,393,362.72 × 579,694.56
  4. Step 4: Simplify right side
    1,009,717.12x = 807,724,788,890.80
  5. Step 5: Solve for x
    x = 807,724,788,890.80/1,009,717.12
  6. Step 6: Final answer
    x = 799,951.56

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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.