Home / 1,214,012.68-1,675,317.33-670,134.40

Finding the Fourth Proportional to 1,214,012.68, 1,675,317.33 and 670,134.40

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Solution

The fourth proportional to 1,214,012.68, 1,675,317.33 and 670,134.40 is: 924,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,012.68 : 1,675,317.33 = 670,134.40 : x
  2. Step 2: Convert to fraction form
    1,214,012.68/1,675,317.33 = 670,134.40/x
  3. Step 3: Cross multiply
    1,214,012.68x = 1,675,317.33 × 670,134.40
  4. Step 4: Simplify right side
    1,214,012.68x = 1,122,687,773,749.15
  5. Step 5: Solve for x
    x = 1,122,687,773,749.15/1,214,012.68
  6. Step 6: Final answer
    x = 924,774.34

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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.