Home / 1,007,536.56-1,388,931.60-765,398.77

Finding the Fourth Proportional to 1,007,536.56, 1,388,931.60 and 765,398.77

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Solution

The fourth proportional to 1,007,536.56, 1,388,931.60 and 765,398.77 is: 1,055,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,536.56 : 1,388,931.60 = 765,398.77 : x
  2. Step 2: Convert to fraction form
    1,007,536.56/1,388,931.60 = 765,398.77/x
  3. Step 3: Cross multiply
    1,007,536.56x = 1,388,931.60 × 765,398.77
  4. Step 4: Simplify right side
    1,007,536.56x = 1,063,086,537,652.05
  5. Step 5: Solve for x
    x = 1,063,086,537,652.05/1,007,536.56
  6. Step 6: Final answer
    x = 1,055,134.46

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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.