Home / 1,540,705.02-2,126,165.67-861,644.22

Finding the Fourth Proportional to 1,540,705.02, 2,126,165.67 and 861,644.22

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Solution

The fourth proportional to 1,540,705.02, 2,126,165.67 and 861,644.22 is: 1,189,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,705.02 : 2,126,165.67 = 861,644.22 : x
  2. Step 2: Convert to fraction form
    1,540,705.02/2,126,165.67 = 861,644.22/x
  3. Step 3: Cross multiply
    1,540,705.02x = 2,126,165.67 × 861,644.22
  4. Step 4: Simplify right side
    1,540,705.02x = 1,831,998,360,317.93
  5. Step 5: Solve for x
    x = 1,831,998,360,317.93/1,540,705.02
  6. Step 6: Final answer
    x = 1,189,064.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.