Home / 1,078,586.00-1,488,987.55-670,819.28

Finding the Fourth Proportional to 1,078,586.00, 1,488,987.55 and 670,819.28

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Solution

The fourth proportional to 1,078,586.00, 1,488,987.55 and 670,819.28 is: 926,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,586.00 : 1,488,987.55 = 670,819.28 : x
  2. Step 2: Convert to fraction form
    1,078,586.00/1,488,987.55 = 670,819.28/x
  3. Step 3: Cross multiply
    1,078,586.00x = 1,488,987.55 × 670,819.28
  4. Step 4: Simplify right side
    1,078,586.00x = 998,841,556,219.96
  5. Step 5: Solve for x
    x = 998,841,556,219.96/1,078,586.00
  6. Step 6: Final answer
    x = 926,065.76

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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.