Home / 1,099,692.96-1,513,923.12-986,318.88

Finding the Fourth Proportional to 1,099,692.96, 1,513,923.12 and 986,318.88

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Solution

The fourth proportional to 1,099,692.96, 1,513,923.12 and 986,318.88 is: 1,357,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,692.96 : 1,513,923.12 = 986,318.88 : x
  2. Step 2: Convert to fraction form
    1,099,692.96/1,513,923.12 = 986,318.88/x
  3. Step 3: Cross multiply
    1,099,692.96x = 1,513,923.12 × 986,318.88
  4. Step 4: Simplify right side
    1,099,692.96x = 1,493,210,956,124.51
  5. Step 5: Solve for x
    x = 1,493,210,956,124.51/1,099,692.96
  6. Step 6: Final answer
    x = 1,357,843.52

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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.