Home / 1,286,993.60-1,930,877.91-1,160,038.25

Finding the Fourth Proportional to 1,286,993.60, 1,930,877.91 and 1,160,038.25

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Solution

The fourth proportional to 1,286,993.60, 1,930,877.91 and 1,160,038.25 is: 1,740,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,993.60 : 1,930,877.91 = 1,160,038.25 : x
  2. Step 2: Convert to fraction form
    1,286,993.60/1,930,877.91 = 1,160,038.25/x
  3. Step 3: Cross multiply
    1,286,993.60x = 1,930,877.91 × 1,160,038.25
  4. Step 4: Simplify right side
    1,286,993.60x = 2,239,892,222,025.67
  5. Step 5: Solve for x
    x = 2,239,892,222,025.67/1,286,993.60
  6. Step 6: Final answer
    x = 1,740,406.66

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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.