Home / 1,556,765.38-2,148,287.48-912,614.59

Finding the Fourth Proportional to 1,556,765.38, 2,148,287.48 and 912,614.59

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Solution

The fourth proportional to 1,556,765.38, 2,148,287.48 and 912,614.59 is: 1,259,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,765.38 : 2,148,287.48 = 912,614.59 : x
  2. Step 2: Convert to fraction form
    1,556,765.38/2,148,287.48 = 912,614.59/x
  3. Step 3: Cross multiply
    1,556,765.38x = 2,148,287.48 × 912,614.59
  4. Step 4: Simplify right side
    1,556,765.38x = 1,960,558,497,762.33
  5. Step 5: Solve for x
    x = 1,960,558,497,762.33/1,556,765.38
  6. Step 6: Final answer
    x = 1,259,379.56

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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.