Home / 863,720.04-1,286,715.60-824,858.60

Finding the Fourth Proportional to 863,720.04, 1,286,715.60 and 824,858.60

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Solution

The fourth proportional to 863,720.04, 1,286,715.60 and 824,858.60 is: 1,228,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,720.04 : 1,286,715.60 = 824,858.60 : x
  2. Step 2: Convert to fraction form
    863,720.04/1,286,715.60 = 824,858.60/x
  3. Step 3: Cross multiply
    863,720.04x = 1,286,715.60 × 824,858.60
  4. Step 4: Simplify right side
    863,720.04x = 1,061,358,428,414.16
  5. Step 5: Solve for x
    x = 1,061,358,428,414.16/863,720.04
  6. Step 6: Final answer
    x = 1,228,822.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.