Home / 833,121.64-1,148,847.86-712,661.68

Finding the Fourth Proportional to 833,121.64, 1,148,847.86 and 712,661.68

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Solution

The fourth proportional to 833,121.64, 1,148,847.86 and 712,661.68 is: 982,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,121.64 : 1,148,847.86 = 712,661.68 : x
  2. Step 2: Convert to fraction form
    833,121.64/1,148,847.86 = 712,661.68/x
  3. Step 3: Cross multiply
    833,121.64x = 1,148,847.86 × 712,661.68
  4. Step 4: Simplify right side
    833,121.64x = 818,739,836,664.46
  5. Step 5: Solve for x
    x = 818,739,836,664.46/833,121.64
  6. Step 6: Final answer
    x = 982,737.46

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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.