Home / 1,286,316.20-1,775,000.04-713,354.60

Finding the Fourth Proportional to 1,286,316.20, 1,775,000.04 and 713,354.60

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Solution

The fourth proportional to 1,286,316.20, 1,775,000.04 and 713,354.60 is: 984,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,316.20 : 1,775,000.04 = 713,354.60 : x
  2. Step 2: Convert to fraction form
    1,286,316.20/1,775,000.04 = 713,354.60/x
  3. Step 3: Cross multiply
    1,286,316.20x = 1,775,000.04 × 713,354.60
  4. Step 4: Simplify right side
    1,286,316.20x = 1,266,204,443,534.18
  5. Step 5: Solve for x
    x = 1,266,204,443,534.18/1,286,316.20
  6. Step 6: Final answer
    x = 984,364.84

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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.