Home / 1,448,065.87-2,172,449.99-437,127.44

Finding the Fourth Proportional to 1,448,065.87, 2,172,449.99 and 437,127.44

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Solution

The fourth proportional to 1,448,065.87, 2,172,449.99 and 437,127.44 is: 655,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,065.87 : 2,172,449.99 = 437,127.44 : x
  2. Step 2: Convert to fraction form
    1,448,065.87/2,172,449.99 = 437,127.44/x
  3. Step 3: Cross multiply
    1,448,065.87x = 2,172,449.99 × 437,127.44
  4. Step 4: Simplify right side
    1,448,065.87x = 949,637,492,887.29
  5. Step 5: Solve for x
    x = 949,637,492,887.29/1,448,065.87
  6. Step 6: Final answer
    x = 655,797.17

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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.