Home / 1,091,876.76-1,638,036.57-382,403.03

Finding the Fourth Proportional to 1,091,876.76, 1,638,036.57 and 382,403.03

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Solution

The fourth proportional to 1,091,876.76, 1,638,036.57 and 382,403.03 is: 573,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,876.76 : 1,638,036.57 = 382,403.03 : x
  2. Step 2: Convert to fraction form
    1,091,876.76/1,638,036.57 = 382,403.03/x
  3. Step 3: Cross multiply
    1,091,876.76x = 1,638,036.57 × 382,403.03
  4. Step 4: Simplify right side
    1,091,876.76x = 626,390,140,862.64
  5. Step 5: Solve for x
    x = 626,390,140,862.64/1,091,876.76
  6. Step 6: Final answer
    x = 573,682.09

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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.