Home / 1,409,256.55-2,115,379.65-1,248,196.15

Finding the Fourth Proportional to 1,409,256.55, 2,115,379.65 and 1,248,196.15

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Solution

The fourth proportional to 1,409,256.55, 2,115,379.65 and 1,248,196.15 is: 1,873,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,256.55 : 2,115,379.65 = 1,248,196.15 : x
  2. Step 2: Convert to fraction form
    1,409,256.55/2,115,379.65 = 1,248,196.15/x
  3. Step 3: Cross multiply
    1,409,256.55x = 2,115,379.65 × 1,248,196.15
  4. Step 4: Simplify right side
    1,409,256.55x = 2,640,408,734,918.35
  5. Step 5: Solve for x
    x = 2,640,408,734,918.35/1,409,256.55
  6. Step 6: Final answer
    x = 1,873,618.21

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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.