Home / 1,187,063.48-1,782,373.98-1,027,631.18

Finding the Fourth Proportional to 1,187,063.48, 1,782,373.98 and 1,027,631.18

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Solution

The fourth proportional to 1,187,063.48, 1,782,373.98 and 1,027,631.18 is: 1,542,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,063.48 : 1,782,373.98 = 1,027,631.18 : x
  2. Step 2: Convert to fraction form
    1,187,063.48/1,782,373.98 = 1,027,631.18/x
  3. Step 3: Cross multiply
    1,187,063.48x = 1,782,373.98 × 1,027,631.18
  4. Step 4: Simplify right side
    1,187,063.48x = 1,831,623,076,268.70
  5. Step 5: Solve for x
    x = 1,831,623,076,268.70/1,187,063.48
  6. Step 6: Final answer
    x = 1,542,986.63

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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.