Home / 1,314,979.20-1,972,468.80-1,217,548.35

Finding the Fourth Proportional to 1,314,979.20, 1,972,468.80 and 1,217,548.35

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Solution

The fourth proportional to 1,314,979.20, 1,972,468.80 and 1,217,548.35 is: 1,826,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,979.20 : 1,972,468.80 = 1,217,548.35 : x
  2. Step 2: Convert to fraction form
    1,314,979.20/1,972,468.80 = 1,217,548.35/x
  3. Step 3: Cross multiply
    1,314,979.20x = 1,972,468.80 × 1,217,548.35
  4. Step 4: Simplify right side
    1,314,979.20x = 2,401,576,132,866.48
  5. Step 5: Solve for x
    x = 2,401,576,132,866.48/1,314,979.20
  6. Step 6: Final answer
    x = 1,826,322.53

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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.