Home / 1,352,128.36-2,028,060.52-354,856.36

Finding the Fourth Proportional to 1,352,128.36, 2,028,060.52 and 354,856.36

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Solution

The fourth proportional to 1,352,128.36, 2,028,060.52 and 354,856.36 is: 532,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,128.36 : 2,028,060.52 = 354,856.36 : x
  2. Step 2: Convert to fraction form
    1,352,128.36/2,028,060.52 = 354,856.36/x
  3. Step 3: Cross multiply
    1,352,128.36x = 2,028,060.52 × 354,856.36
  4. Step 4: Simplify right side
    1,352,128.36x = 719,670,173,986.91
  5. Step 5: Solve for x
    x = 719,670,173,986.91/1,352,128.36
  6. Step 6: Final answer
    x = 532,249.89

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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.