Home / 1,656,906.56-2,485,334.86-745,445.35

Finding the Fourth Proportional to 1,656,906.56, 2,485,334.86 and 745,445.35

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Solution

The fourth proportional to 1,656,906.56, 2,485,334.86 and 745,445.35 is: 1,118,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,906.56 : 2,485,334.86 = 745,445.35 : x
  2. Step 2: Convert to fraction form
    1,656,906.56/2,485,334.86 = 745,445.35/x
  3. Step 3: Cross multiply
    1,656,906.56x = 2,485,334.86 × 745,445.35
  4. Step 4: Simplify right side
    1,656,906.56x = 1,852,681,320,016.09
  5. Step 5: Solve for x
    x = 1,852,681,320,016.09/1,656,906.56
  6. Step 6: Final answer
    x = 1,118,156.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.