Home / 1,138,602.42-1,707,845.31-339,890.58

Finding the Fourth Proportional to 1,138,602.42, 1,707,845.31 and 339,890.58

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Solution

The fourth proportional to 1,138,602.42, 1,707,845.31 and 339,890.58 is: 509,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,602.42 : 1,707,845.31 = 339,890.58 : x
  2. Step 2: Convert to fraction form
    1,138,602.42/1,707,845.31 = 339,890.58/x
  3. Step 3: Cross multiply
    1,138,602.42x = 1,707,845.31 × 339,890.58
  4. Step 4: Simplify right side
    1,138,602.42x = 580,480,532,966.18
  5. Step 5: Solve for x
    x = 580,480,532,966.18/1,138,602.42
  6. Step 6: Final answer
    x = 509,818.46

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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.