Home / 1,129,710.27-1,558,994.51-613,459.55

Finding the Fourth Proportional to 1,129,710.27, 1,558,994.51 and 613,459.55

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Solution

The fourth proportional to 1,129,710.27, 1,558,994.51 and 613,459.55 is: 846,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,710.27 : 1,558,994.51 = 613,459.55 : x
  2. Step 2: Convert to fraction form
    1,129,710.27/1,558,994.51 = 613,459.55/x
  3. Step 3: Cross multiply
    1,129,710.27x = 1,558,994.51 × 613,459.55
  4. Step 4: Simplify right side
    1,129,710.27x = 956,380,067,489.77
  5. Step 5: Solve for x
    x = 956,380,067,489.77/1,129,710.27
  6. Step 6: Final answer
    x = 846,571.10

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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.