Home / 1,138,436.93-1,570,891.16-731,090.54

Finding the Fourth Proportional to 1,138,436.93, 1,570,891.16 and 731,090.54

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Solution

The fourth proportional to 1,138,436.93, 1,570,891.16 and 731,090.54 is: 1,008,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,436.93 : 1,570,891.16 = 731,090.54 : x
  2. Step 2: Convert to fraction form
    1,138,436.93/1,570,891.16 = 731,090.54/x
  3. Step 3: Cross multiply
    1,138,436.93x = 1,570,891.16 × 731,090.54
  4. Step 4: Simplify right side
    1,138,436.93x = 1,148,463,662,790.17
  5. Step 5: Solve for x
    x = 1,148,463,662,790.17/1,138,436.93
  6. Step 6: Final answer
    x = 1,008,807.46

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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.