Home / 1,377,121.89-2,065,518.51-366,317.83

Finding the Fourth Proportional to 1,377,121.89, 2,065,518.51 and 366,317.83

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Solution

The fourth proportional to 1,377,121.89, 2,065,518.51 and 366,317.83 is: 549,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,121.89 : 2,065,518.51 = 366,317.83 : x
  2. Step 2: Convert to fraction form
    1,377,121.89/2,065,518.51 = 366,317.83/x
  3. Step 3: Cross multiply
    1,377,121.89x = 2,065,518.51 × 366,317.83
  4. Step 4: Simplify right side
    1,377,121.89x = 756,636,258,408.03
  5. Step 5: Solve for x
    x = 756,636,258,408.03/1,377,121.89
  6. Step 6: Final answer
    x = 549,433.03

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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.