Home / 1,003,900.70-1,385,407.02-545,034.58

Finding the Fourth Proportional to 1,003,900.70, 1,385,407.02 and 545,034.58

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Solution

The fourth proportional to 1,003,900.70, 1,385,407.02 and 545,034.58 is: 752,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,900.70 : 1,385,407.02 = 545,034.58 : x
  2. Step 2: Convert to fraction form
    1,003,900.70/1,385,407.02 = 545,034.58/x
  3. Step 3: Cross multiply
    1,003,900.70x = 1,385,407.02 × 545,034.58
  4. Step 4: Simplify right side
    1,003,900.70x = 755,094,733,274.75
  5. Step 5: Solve for x
    x = 755,094,733,274.75/1,003,900.70
  6. Step 6: Final answer
    x = 752,160.78

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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.