Home / 1,132,256.40-1,698,384.60-422,246.86

Finding the Fourth Proportional to 1,132,256.40, 1,698,384.60 and 422,246.86

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Solution

The fourth proportional to 1,132,256.40, 1,698,384.60 and 422,246.86 is: 633,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,256.40 : 1,698,384.60 = 422,246.86 : x
  2. Step 2: Convert to fraction form
    1,132,256.40/1,698,384.60 = 422,246.86/x
  3. Step 3: Cross multiply
    1,132,256.40x = 1,698,384.60 × 422,246.86
  4. Step 4: Simplify right side
    1,132,256.40x = 717,137,564,422.36
  5. Step 5: Solve for x
    x = 717,137,564,422.36/1,132,256.40
  6. Step 6: Final answer
    x = 633,370.29

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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.