Home / 1,339,867.47-2,008,671.48-581,137.77

Finding the Fourth Proportional to 1,339,867.47, 2,008,671.48 and 581,137.77

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Solution

The fourth proportional to 1,339,867.47, 2,008,671.48 and 581,137.77 is: 871,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,867.47 : 2,008,671.48 = 581,137.77 : x
  2. Step 2: Convert to fraction form
    1,339,867.47/2,008,671.48 = 581,137.77/x
  3. Step 3: Cross multiply
    1,339,867.47x = 2,008,671.48 × 581,137.77
  4. Step 4: Simplify right side
    1,339,867.47x = 1,167,314,864,549.80
  5. Step 5: Solve for x
    x = 1,167,314,864,549.80/1,339,867.47
  6. Step 6: Final answer
    x = 871,216.66

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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.