Home / 1,448,195.40-2,172,282.30-437,315.40

Finding the Fourth Proportional to 1,448,195.40, 2,172,282.30 and 437,315.40

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Solution

The fourth proportional to 1,448,195.40, 2,172,282.30 and 437,315.40 is: 655,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,195.40 : 2,172,282.30 = 437,315.40 : x
  2. Step 2: Convert to fraction form
    1,448,195.40/2,172,282.30 = 437,315.40/x
  3. Step 3: Cross multiply
    1,448,195.40x = 2,172,282.30 × 437,315.40
  4. Step 4: Simplify right side
    1,448,195.40x = 949,972,502,937.42
  5. Step 5: Solve for x
    x = 949,972,502,937.42/1,448,195.40
  6. Step 6: Final answer
    x = 655,969.84

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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.