Home / 1,208,036.72-1,667,094-664,228.10

Finding the Fourth Proportional to 1,208,036.72, 1,667,094 and 664,228.10

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Solution

The fourth proportional to 1,208,036.72, 1,667,094 and 664,228.10 is: 916,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,036.72 : 1,667,094 = 664,228.10 : x
  2. Step 2: Convert to fraction form
    1,208,036.72/1,667,094 = 664,228.10/x
  3. Step 3: Cross multiply
    1,208,036.72x = 1,667,094 × 664,228.10
  4. Step 4: Simplify right side
    1,208,036.72x = 1,107,330,680,141.40
  5. Step 5: Solve for x
    x = 1,107,330,680,141.40/1,208,036.72
  6. Step 6: Final answer
    x = 916,636.61

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Double scale
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1.5x scale

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.