Home / 1,531,053.90-2,112,837.62-842,711.04

Finding the Fourth Proportional to 1,531,053.90, 2,112,837.62 and 842,711.04

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Solution

The fourth proportional to 1,531,053.90, 2,112,837.62 and 842,711.04 is: 1,162,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,053.90 : 2,112,837.62 = 842,711.04 : x
  2. Step 2: Convert to fraction form
    1,531,053.90/2,112,837.62 = 842,711.04/x
  3. Step 3: Cross multiply
    1,531,053.90x = 2,112,837.62 × 842,711.04
  4. Step 4: Simplify right side
    1,531,053.90x = 1,780,511,583,887.77
  5. Step 5: Solve for x
    x = 1,780,511,583,887.77/1,531,053.90
  6. Step 6: Final answer
    x = 1,162,932.01

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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.