Home / 1,071,308.88-1,478,406.24-612,433.44

Finding the Fourth Proportional to 1,071,308.88, 1,478,406.24 and 612,433.44

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Solution

The fourth proportional to 1,071,308.88, 1,478,406.24 and 612,433.44 is: 845,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,308.88 : 1,478,406.24 = 612,433.44 : x
  2. Step 2: Convert to fraction form
    1,071,308.88/1,478,406.24 = 612,433.44/x
  3. Step 3: Cross multiply
    1,071,308.88x = 1,478,406.24 × 612,433.44
  4. Step 4: Simplify right side
    1,071,308.88x = 905,425,419,280.67
  5. Step 5: Solve for x
    x = 905,425,419,280.67/1,071,308.88
  6. Step 6: Final answer
    x = 845,158.14

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Double scale
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1.5x scale

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.