Home / 1,421,006.92-2,131,653.72-461,422.36

Finding the Fourth Proportional to 1,421,006.92, 2,131,653.72 and 461,422.36

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Solution

The fourth proportional to 1,421,006.92, 2,131,653.72 and 461,422.36 is: 692,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,006.92 : 2,131,653.72 = 461,422.36 : x
  2. Step 2: Convert to fraction form
    1,421,006.92/2,131,653.72 = 461,422.36/x
  3. Step 3: Cross multiply
    1,421,006.92x = 2,131,653.72 × 461,422.36
  4. Step 4: Simplify right side
    1,421,006.92x = 983,592,690,185.18
  5. Step 5: Solve for x
    x = 983,592,690,185.18/1,421,006.92
  6. Step 6: Final answer
    x = 692,180.08

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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.