Home / 1,312,315.28-1,968,249.72-365,780.24

Finding the Fourth Proportional to 1,312,315.28, 1,968,249.72 and 365,780.24

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Solution

The fourth proportional to 1,312,315.28, 1,968,249.72 and 365,780.24 is: 548,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,315.28 : 1,968,249.72 = 365,780.24 : x
  2. Step 2: Convert to fraction form
    1,312,315.28/1,968,249.72 = 365,780.24/x
  3. Step 3: Cross multiply
    1,312,315.28x = 1,968,249.72 × 365,780.24
  4. Step 4: Simplify right side
    1,312,315.28x = 719,946,854,961.53
  5. Step 5: Solve for x
    x = 719,946,854,961.53/1,312,315.28
  6. Step 6: Final answer
    x = 548,608.15

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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.