Home / 1,219,019.76-1,828,821.60-508,652.64

Finding the Fourth Proportional to 1,219,019.76, 1,828,821.60 and 508,652.64

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Solution

The fourth proportional to 1,219,019.76, 1,828,821.60 and 508,652.64 is: 763,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,019.76 : 1,828,821.60 = 508,652.64 : x
  2. Step 2: Convert to fraction form
    1,219,019.76/1,828,821.60 = 508,652.64/x
  3. Step 3: Cross multiply
    1,219,019.76x = 1,828,821.60 × 508,652.64
  4. Step 4: Simplify right side
    1,219,019.76x = 930,234,934,929.02
  5. Step 5: Solve for x
    x = 930,234,934,929.02/1,219,019.76
  6. Step 6: Final answer
    x = 763,100.78

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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.