Home / 1,005,628.84-1,387,796.66-613,184.80

Finding the Fourth Proportional to 1,005,628.84, 1,387,796.66 and 613,184.80

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Solution

The fourth proportional to 1,005,628.84, 1,387,796.66 and 613,184.80 is: 846,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,628.84 : 1,387,796.66 = 613,184.80 : x
  2. Step 2: Convert to fraction form
    1,005,628.84/1,387,796.66 = 613,184.80/x
  3. Step 3: Cross multiply
    1,005,628.84x = 1,387,796.66 × 613,184.80
  4. Step 4: Simplify right side
    1,005,628.84x = 850,975,817,402.77
  5. Step 5: Solve for x
    x = 850,975,817,402.77/1,005,628.84
  6. Step 6: Final answer
    x = 846,212.62

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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.