Home / 1,132,445.75-1,698,143.74-422,283.11

Finding the Fourth Proportional to 1,132,445.75, 1,698,143.74 and 422,283.11

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Solution

The fourth proportional to 1,132,445.75, 1,698,143.74 and 422,283.11 is: 633,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,445.75 : 1,698,143.74 = 422,283.11 : x
  2. Step 2: Convert to fraction form
    1,132,445.75/1,698,143.74 = 422,283.11/x
  3. Step 3: Cross multiply
    1,132,445.75x = 1,698,143.74 × 422,283.11
  4. Step 4: Simplify right side
    1,132,445.75x = 717,097,410,207.81
  5. Step 5: Solve for x
    x = 717,097,410,207.81/1,132,445.75
  6. Step 6: Final answer
    x = 633,228.93

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Double scale
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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.