Home / 1,184,011.20-1,776,016.80-885,412.80

Finding the Fourth Proportional to 1,184,011.20, 1,776,016.80 and 885,412.80

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Solution

The fourth proportional to 1,184,011.20, 1,776,016.80 and 885,412.80 is: 1,328,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,011.20 : 1,776,016.80 = 885,412.80 : x
  2. Step 2: Convert to fraction form
    1,184,011.20/1,776,016.80 = 885,412.80/x
  3. Step 3: Cross multiply
    1,184,011.20x = 1,776,016.80 × 885,412.80
  4. Step 4: Simplify right side
    1,184,011.20x = 1,572,508,007,735.04
  5. Step 5: Solve for x
    x = 1,572,508,007,735.04/1,184,011.20
  6. Step 6: Final answer
    x = 1,328,119.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.