Home / 1,245,005.55-1,867,508.33-1,237,132.35

Finding the Fourth Proportional to 1,245,005.55, 1,867,508.33 and 1,237,132.35

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Solution

The fourth proportional to 1,245,005.55, 1,867,508.33 and 1,237,132.35 is: 1,855,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,005.55 : 1,867,508.33 = 1,237,132.35 : x
  2. Step 2: Convert to fraction form
    1,245,005.55/1,867,508.33 = 1,237,132.35/x
  3. Step 3: Cross multiply
    1,245,005.55x = 1,867,508.33 × 1,237,132.35
  4. Step 4: Simplify right side
    1,245,005.55x = 2,310,354,962,751.81
  5. Step 5: Solve for x
    x = 2,310,354,962,751.81/1,245,005.55
  6. Step 6: Final answer
    x = 1,855,698.53

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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.