Home / 1,200,475.26-1,656,708.93-691,341.66

Finding the Fourth Proportional to 1,200,475.26, 1,656,708.93 and 691,341.66

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Solution

The fourth proportional to 1,200,475.26, 1,656,708.93 and 691,341.66 is: 954,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,475.26 : 1,656,708.93 = 691,341.66 : x
  2. Step 2: Convert to fraction form
    1,200,475.26/1,656,708.93 = 691,341.66/x
  3. Step 3: Cross multiply
    1,200,475.26x = 1,656,708.93 × 691,341.66
  4. Step 4: Simplify right side
    1,200,475.26x = 1,145,351,901,803.02
  5. Step 5: Solve for x
    x = 1,145,351,901,803.02/1,200,475.26
  6. Step 6: Final answer
    x = 954,082.05

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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.