Home / 1,292,772-1,939,368.12-382,046.88

Finding the Fourth Proportional to 1,292,772, 1,939,368.12 and 382,046.88

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Solution

The fourth proportional to 1,292,772, 1,939,368.12 and 382,046.88 is: 573,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,772 : 1,939,368.12 = 382,046.88 : x
  2. Step 2: Convert to fraction form
    1,292,772/1,939,368.12 = 382,046.88/x
  3. Step 3: Cross multiply
    1,292,772x = 1,939,368.12 × 382,046.88
  4. Step 4: Simplify right side
    1,292,772x = 740,929,539,417.47
  5. Step 5: Solve for x
    x = 740,929,539,417.47/1,292,772
  6. Step 6: Final answer
    x = 573,132.42

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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.