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Finding the Fourth Proportional to 1,182,829, 1,632,304.04 and 646,285

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Solution

The fourth proportional to 1,182,829, 1,632,304.04 and 646,285 is: 891,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,829 : 1,632,304.04 = 646,285 : x
  2. Step 2: Convert to fraction form
    1,182,829/1,632,304.04 = 646,285/x
  3. Step 3: Cross multiply
    1,182,829x = 1,632,304.04 × 646,285
  4. Step 4: Simplify right side
    1,182,829x = 1,054,933,616,491.40
  5. Step 5: Solve for x
    x = 1,054,933,616,491.40/1,182,829
  6. Step 6: Final answer
    x = 891,873.31

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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.