Home / 1,397,794.23-1,928,492.10-1,139,226.57

Finding the Fourth Proportional to 1,397,794.23, 1,928,492.10 and 1,139,226.57

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Solution

The fourth proportional to 1,397,794.23, 1,928,492.10 and 1,139,226.57 is: 1,571,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,794.23 : 1,928,492.10 = 1,139,226.57 : x
  2. Step 2: Convert to fraction form
    1,397,794.23/1,928,492.10 = 1,139,226.57/x
  3. Step 3: Cross multiply
    1,397,794.23x = 1,928,492.10 × 1,139,226.57
  4. Step 4: Simplify right side
    1,397,794.23x = 2,196,989,440,355.10
  5. Step 5: Solve for x
    x = 2,196,989,440,355.10/1,397,794.23
  6. Step 6: Final answer
    x = 1,571,754.55

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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.