Home / 1,111,869.16-1,667,803.74-270,421.48

Finding the Fourth Proportional to 1,111,869.16, 1,667,803.74 and 270,421.48

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Solution

The fourth proportional to 1,111,869.16, 1,667,803.74 and 270,421.48 is: 405,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,869.16 : 1,667,803.74 = 270,421.48 : x
  2. Step 2: Convert to fraction form
    1,111,869.16/1,667,803.74 = 270,421.48/x
  3. Step 3: Cross multiply
    1,111,869.16x = 1,667,803.74 × 270,421.48
  4. Step 4: Simplify right side
    1,111,869.16x = 451,009,955,720.34
  5. Step 5: Solve for x
    x = 451,009,955,720.34/1,111,869.16
  6. Step 6: Final answer
    x = 405,632.22

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Double scale
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Similar ratio
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1.5x scale

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.