Home / 1,316,699.52-1,974,655.62-685,268.88

Finding the Fourth Proportional to 1,316,699.52, 1,974,655.62 and 685,268.88

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Solution

The fourth proportional to 1,316,699.52, 1,974,655.62 and 685,268.88 is: 1,027,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,699.52 : 1,974,655.62 = 685,268.88 : x
  2. Step 2: Convert to fraction form
    1,316,699.52/1,974,655.62 = 685,268.88/x
  3. Step 3: Cross multiply
    1,316,699.52x = 1,974,655.62 × 685,268.88
  4. Step 4: Simplify right side
    1,316,699.52x = 1,353,170,045,103.11
  5. Step 5: Solve for x
    x = 1,353,170,045,103.11/1,316,699.52
  6. Step 6: Final answer
    x = 1,027,698.44

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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.