Home / 1,280,622.04-1,921,042.14-382,005.88

Finding the Fourth Proportional to 1,280,622.04, 1,921,042.14 and 382,005.88

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Solution

The fourth proportional to 1,280,622.04, 1,921,042.14 and 382,005.88 is: 573,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,622.04 : 1,921,042.14 = 382,005.88 : x
  2. Step 2: Convert to fraction form
    1,280,622.04/1,921,042.14 = 382,005.88/x
  3. Step 3: Cross multiply
    1,280,622.04x = 1,921,042.14 × 382,005.88
  4. Step 4: Simplify right side
    1,280,622.04x = 733,849,393,207.78
  5. Step 5: Solve for x
    x = 733,849,393,207.78/1,280,622.04
  6. Step 6: Final answer
    x = 573,041.36

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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.