Home / 1,034,138.80-1,426,528.60-620,568.55

Finding the Fourth Proportional to 1,034,138.80, 1,426,528.60 and 620,568.55

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Solution

The fourth proportional to 1,034,138.80, 1,426,528.60 and 620,568.55 is: 856,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,138.80 : 1,426,528.60 = 620,568.55 : x
  2. Step 2: Convert to fraction form
    1,034,138.80/1,426,528.60 = 620,568.55/x
  3. Step 3: Cross multiply
    1,034,138.80x = 1,426,528.60 × 620,568.55
  4. Step 4: Simplify right side
    1,034,138.80x = 885,258,784,835.53
  5. Step 5: Solve for x
    x = 885,258,784,835.53/1,034,138.80
  6. Step 6: Final answer
    x = 856,034.78

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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.