Home / 1,423,857.84-1,964,825.10-812,036.48

Finding the Fourth Proportional to 1,423,857.84, 1,964,825.10 and 812,036.48

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Solution

The fourth proportional to 1,423,857.84, 1,964,825.10 and 812,036.48 is: 1,120,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,857.84 : 1,964,825.10 = 812,036.48 : x
  2. Step 2: Convert to fraction form
    1,423,857.84/1,964,825.10 = 812,036.48/x
  3. Step 3: Cross multiply
    1,423,857.84x = 1,964,825.10 × 812,036.48
  4. Step 4: Simplify right side
    1,423,857.84x = 1,595,509,658,019.65
  5. Step 5: Solve for x
    x = 1,595,509,658,019.65/1,423,857.84
  6. Step 6: Final answer
    x = 1,120,554.04

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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.