Home / 1,200,647.26-1,656,932.76-656,770.63

Finding the Fourth Proportional to 1,200,647.26, 1,656,932.76 and 656,770.63

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Solution

The fourth proportional to 1,200,647.26, 1,656,932.76 and 656,770.63 is: 906,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,647.26 : 1,656,932.76 = 656,770.63 : x
  2. Step 2: Convert to fraction form
    1,200,647.26/1,656,932.76 = 656,770.63/x
  3. Step 3: Cross multiply
    1,200,647.26x = 1,656,932.76 × 656,770.63
  4. Step 4: Simplify right side
    1,200,647.26x = 1,088,224,772,652.84
  5. Step 5: Solve for x
    x = 1,088,224,772,652.84/1,200,647.26
  6. Step 6: Final answer
    x = 906,365.10

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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.