Home / 1,086,410.46-1,499,522.03-742,385.64

Finding the Fourth Proportional to 1,086,410.46, 1,499,522.03 and 742,385.64

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Solution

The fourth proportional to 1,086,410.46, 1,499,522.03 and 742,385.64 is: 1,024,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,410.46 : 1,499,522.03 = 742,385.64 : x
  2. Step 2: Convert to fraction form
    1,086,410.46/1,499,522.03 = 742,385.64/x
  3. Step 3: Cross multiply
    1,086,410.46x = 1,499,522.03 × 742,385.64
  4. Step 4: Simplify right side
    1,086,410.46x = 1,113,223,621,935.65
  5. Step 5: Solve for x
    x = 1,113,223,621,935.65/1,086,410.46
  6. Step 6: Final answer
    x = 1,024,680.51

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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.