Home / 1,099,680.48-1,648,498.23-426,201.12

Finding the Fourth Proportional to 1,099,680.48, 1,648,498.23 and 426,201.12

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Solution

The fourth proportional to 1,099,680.48, 1,648,498.23 and 426,201.12 is: 638,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,680.48 : 1,648,498.23 = 426,201.12 : x
  2. Step 2: Convert to fraction form
    1,099,680.48/1,648,498.23 = 426,201.12/x
  3. Step 3: Cross multiply
    1,099,680.48x = 1,648,498.23 × 426,201.12
  4. Step 4: Simplify right side
    1,099,680.48x = 702,591,791,944.02
  5. Step 5: Solve for x
    x = 702,591,791,944.02/1,099,680.48
  6. Step 6: Final answer
    x = 638,905.40

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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.