Home / 910,708.11-1,256,883.48-757,475.96

Finding the Fourth Proportional to 910,708.11, 1,256,883.48 and 757,475.96

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Solution

The fourth proportional to 910,708.11, 1,256,883.48 and 757,475.96 is: 1,045,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,708.11 : 1,256,883.48 = 757,475.96 : x
  2. Step 2: Convert to fraction form
    910,708.11/1,256,883.48 = 757,475.96/x
  3. Step 3: Cross multiply
    910,708.11x = 1,256,883.48 × 757,475.96
  4. Step 4: Simplify right side
    910,708.11x = 952,059,014,336.72
  5. Step 5: Solve for x
    x = 952,059,014,336.72/910,708.11
  6. Step 6: Final answer
    x = 1,045,405.22

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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.