Home / 1,434,018.24-2,151,156.96-423,138.24

Finding the Fourth Proportional to 1,434,018.24, 2,151,156.96 and 423,138.24

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Solution

The fourth proportional to 1,434,018.24, 2,151,156.96 and 423,138.24 is: 634,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,018.24 : 2,151,156.96 = 423,138.24 : x
  2. Step 2: Convert to fraction form
    1,434,018.24/2,151,156.96 = 423,138.24/x
  3. Step 3: Cross multiply
    1,434,018.24x = 2,151,156.96 × 423,138.24
  4. Step 4: Simplify right side
    1,434,018.24x = 910,236,770,018.15
  5. Step 5: Solve for x
    x = 910,236,770,018.15/1,434,018.24
  6. Step 6: Final answer
    x = 634,745.60

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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.