Home / 1,183,408.80-1,775,113.20-342,045.60

Finding the Fourth Proportional to 1,183,408.80, 1,775,113.20 and 342,045.60

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Solution

The fourth proportional to 1,183,408.80, 1,775,113.20 and 342,045.60 is: 513,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,408.80 : 1,775,113.20 = 342,045.60 : x
  2. Step 2: Convert to fraction form
    1,183,408.80/1,775,113.20 = 342,045.60/x
  3. Step 3: Cross multiply
    1,183,408.80x = 1,775,113.20 × 342,045.60
  4. Step 4: Simplify right side
    1,183,408.80x = 607,169,659,561.92
  5. Step 5: Solve for x
    x = 607,169,659,561.92/1,183,408.80
  6. Step 6: Final answer
    x = 513,068.40

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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.