Home / 1,220,035.02-1,828,254.06-679,546.86

Finding the Fourth Proportional to 1,220,035.02, 1,828,254.06 and 679,546.86

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Solution

The fourth proportional to 1,220,035.02, 1,828,254.06 and 679,546.86 is: 1,018,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,035.02 : 1,828,254.06 = 679,546.86 : x
  2. Step 2: Convert to fraction form
    1,220,035.02/1,828,254.06 = 679,546.86/x
  3. Step 3: Cross multiply
    1,220,035.02x = 1,828,254.06 × 679,546.86
  4. Step 4: Simplify right side
    1,220,035.02x = 1,242,384,305,755.25
  5. Step 5: Solve for x
    x = 1,242,384,305,755.25/1,220,035.02
  6. Step 6: Final answer
    x = 1,018,318.56

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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.