Home / 1,172,803.78-1,617,469.05-901,528.90

Finding the Fourth Proportional to 1,172,803.78, 1,617,469.05 and 901,528.90

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Solution

The fourth proportional to 1,172,803.78, 1,617,469.05 and 901,528.90 is: 1,243,341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,803.78 : 1,617,469.05 = 901,528.90 : x
  2. Step 2: Convert to fraction form
    1,172,803.78/1,617,469.05 = 901,528.90/x
  3. Step 3: Cross multiply
    1,172,803.78x = 1,617,469.05 × 901,528.90
  4. Step 4: Simplify right side
    1,172,803.78x = 1,458,195,093,430.55
  5. Step 5: Solve for x
    x = 1,458,195,093,430.55/1,172,803.78
  6. Step 6: Final answer
    x = 1,243,341.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.