Home / 1,139,093.02-1,708,113.60-419,253.91

Finding the Fourth Proportional to 1,139,093.02, 1,708,113.60 and 419,253.91

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Solution

The fourth proportional to 1,139,093.02, 1,708,113.60 and 419,253.91 is: 628,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,093.02 : 1,708,113.60 = 419,253.91 : x
  2. Step 2: Convert to fraction form
    1,139,093.02/1,708,113.60 = 419,253.91/x
  3. Step 3: Cross multiply
    1,139,093.02x = 1,708,113.60 × 419,253.91
  4. Step 4: Simplify right side
    1,139,093.02x = 716,133,305,524.18
  5. Step 5: Solve for x
    x = 716,133,305,524.18/1,139,093.02
  6. Step 6: Final answer
    x = 628,687.29

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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.