Home / 1,378,451.52-2,066,899.68-536,038.56

Finding the Fourth Proportional to 1,378,451.52, 2,066,899.68 and 536,038.56

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Solution

The fourth proportional to 1,378,451.52, 2,066,899.68 and 536,038.56 is: 803,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,451.52 : 2,066,899.68 = 536,038.56 : x
  2. Step 2: Convert to fraction form
    1,378,451.52/2,066,899.68 = 536,038.56/x
  3. Step 3: Cross multiply
    1,378,451.52x = 2,066,899.68 × 536,038.56
  4. Step 4: Simplify right side
    1,378,451.52x = 1,107,937,928,131.66
  5. Step 5: Solve for x
    x = 1,107,937,928,131.66/1,378,451.52
  6. Step 6: Final answer
    x = 803,755.45

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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.