Home / 1,612,678.70-2,225,645.76-887,673.62

Finding the Fourth Proportional to 1,612,678.70, 2,225,645.76 and 887,673.62

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Solution

The fourth proportional to 1,612,678.70, 2,225,645.76 and 887,673.62 is: 1,225,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,678.70 : 2,225,645.76 = 887,673.62 : x
  2. Step 2: Convert to fraction form
    1,612,678.70/2,225,645.76 = 887,673.62/x
  3. Step 3: Cross multiply
    1,612,678.70x = 2,225,645.76 × 887,673.62
  4. Step 4: Simplify right side
    1,612,678.70x = 1,975,647,017,488.62
  5. Step 5: Solve for x
    x = 1,975,647,017,488.62/1,612,678.70
  6. Step 6: Final answer
    x = 1,225,071.69

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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.