Home / 1,658,595.89-2,289,568.55-1,115,046.94

Finding the Fourth Proportional to 1,658,595.89, 2,289,568.55 and 1,115,046.94

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Solution

The fourth proportional to 1,658,595.89, 2,289,568.55 and 1,115,046.94 is: 1,539,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,595.89 : 2,289,568.55 = 1,115,046.94 : x
  2. Step 2: Convert to fraction form
    1,658,595.89/2,289,568.55 = 1,115,046.94/x
  3. Step 3: Cross multiply
    1,658,595.89x = 2,289,568.55 × 1,115,046.94
  4. Step 4: Simplify right side
    1,658,595.89x = 2,552,976,405,597.74
  5. Step 5: Solve for x
    x = 2,552,976,405,597.74/1,658,595.89
  6. Step 6: Final answer
    x = 1,539,239.56

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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.