Home / 1,257,287.41-1,735,094.18-774,131.29

Finding the Fourth Proportional to 1,257,287.41, 1,735,094.18 and 774,131.29

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Solution

The fourth proportional to 1,257,287.41, 1,735,094.18 and 774,131.29 is: 1,068,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,287.41 : 1,735,094.18 = 774,131.29 : x
  2. Step 2: Convert to fraction form
    1,257,287.41/1,735,094.18 = 774,131.29/x
  3. Step 3: Cross multiply
    1,257,287.41x = 1,735,094.18 × 774,131.29
  4. Step 4: Simplify right side
    1,257,287.41x = 1,343,190,695,834.89
  5. Step 5: Solve for x
    x = 1,343,190,695,834.89/1,257,287.41
  6. Step 6: Final answer
    x = 1,068,324.30

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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.