Home / 931,717.76-1,285,995.84-868,680.32

Finding the Fourth Proportional to 931,717.76, 1,285,995.84 and 868,680.32

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Solution

The fourth proportional to 931,717.76, 1,285,995.84 and 868,680.32 is: 1,198,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,717.76 : 1,285,995.84 = 868,680.32 : x
  2. Step 2: Convert to fraction form
    931,717.76/1,285,995.84 = 868,680.32/x
  3. Step 3: Cross multiply
    931,717.76x = 1,285,995.84 × 868,680.32
  4. Step 4: Simplify right side
    931,717.76x = 1,117,119,277,809.87
  5. Step 5: Solve for x
    x = 1,117,119,277,809.87/931,717.76
  6. Step 6: Final answer
    x = 1,198,988.93

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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.