Home / 869,746.68-1,303,132.80-680,133.84

Finding the Fourth Proportional to 869,746.68, 1,303,132.80 and 680,133.84

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Solution

The fourth proportional to 869,746.68, 1,303,132.80 and 680,133.84 is: 1,019,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,746.68 : 1,303,132.80 = 680,133.84 : x
  2. Step 2: Convert to fraction form
    869,746.68/1,303,132.80 = 680,133.84/x
  3. Step 3: Cross multiply
    869,746.68x = 1,303,132.80 × 680,133.84
  4. Step 4: Simplify right side
    869,746.68x = 886,304,715,293.95
  5. Step 5: Solve for x
    x = 886,304,715,293.95/869,746.68
  6. Step 6: Final answer
    x = 1,019,037.77

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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.