Home / 1,138,394.94-1,570,851.24-629,066.94

Finding the Fourth Proportional to 1,138,394.94, 1,570,851.24 and 629,066.94

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Solution

The fourth proportional to 1,138,394.94, 1,570,851.24 and 629,066.94 is: 868,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,394.94 : 1,570,851.24 = 629,066.94 : x
  2. Step 2: Convert to fraction form
    1,138,394.94/1,570,851.24 = 629,066.94/x
  3. Step 3: Cross multiply
    1,138,394.94x = 1,570,851.24 × 629,066.94
  4. Step 4: Simplify right side
    1,138,394.94x = 988,170,582,742.01
  5. Step 5: Solve for x
    x = 988,170,582,742.01/1,138,394.94
  6. Step 6: Final answer
    x = 868,038.45

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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.