Home / 1,612,938.20-2,225,837.07-887,770.31

Finding the Fourth Proportional to 1,612,938.20, 2,225,837.07 and 887,770.31

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Solution

The fourth proportional to 1,612,938.20, 2,225,837.07 and 887,770.31 is: 1,225,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,938.20 : 2,225,837.07 = 887,770.31 : x
  2. Step 2: Convert to fraction form
    1,612,938.20/2,225,837.07 = 887,770.31/x
  3. Step 3: Cross multiply
    1,612,938.20x = 2,225,837.07 × 887,770.31
  4. Step 4: Simplify right side
    1,612,938.20x = 1,976,032,054,514.21
  5. Step 5: Solve for x
    x = 1,976,032,054,514.21/1,612,938.20
  6. Step 6: Final answer
    x = 1,225,113.31

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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.