Home / 1,138,396.48-1,570,925.22-629,066

Finding the Fourth Proportional to 1,138,396.48, 1,570,925.22 and 629,066

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Solution

The fourth proportional to 1,138,396.48, 1,570,925.22 and 629,066 is: 868,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,396.48 : 1,570,925.22 = 629,066 : x
  2. Step 2: Convert to fraction form
    1,138,396.48/1,570,925.22 = 629,066/x
  3. Step 3: Cross multiply
    1,138,396.48x = 1,570,925.22 × 629,066
  4. Step 4: Simplify right side
    1,138,396.48x = 988,215,644,444.52
  5. Step 5: Solve for x
    x = 988,215,644,444.52/1,138,396.48
  6. Step 6: Final answer
    x = 868,076.86

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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.