Home / 1,349,871.80-2,025,114.90-788,617.40

Finding the Fourth Proportional to 1,349,871.80, 2,025,114.90 and 788,617.40

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Solution

The fourth proportional to 1,349,871.80, 2,025,114.90 and 788,617.40 is: 1,183,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,871.80 : 2,025,114.90 = 788,617.40 : x
  2. Step 2: Convert to fraction form
    1,349,871.80/2,025,114.90 = 788,617.40/x
  3. Step 3: Cross multiply
    1,349,871.80x = 2,025,114.90 × 788,617.40
  4. Step 4: Simplify right side
    1,349,871.80x = 1,597,040,847,139.26
  5. Step 5: Solve for x
    x = 1,597,040,847,139.26/1,349,871.80
  6. Step 6: Final answer
    x = 1,183,105.57

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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.