Home / 1,346,618.09-2,020,256.40-448,057.55

Finding the Fourth Proportional to 1,346,618.09, 2,020,256.40 and 448,057.55

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Solution

The fourth proportional to 1,346,618.09, 2,020,256.40 and 448,057.55 is: 672,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,618.09 : 2,020,256.40 = 448,057.55 : x
  2. Step 2: Convert to fraction form
    1,346,618.09/2,020,256.40 = 448,057.55/x
  3. Step 3: Cross multiply
    1,346,618.09x = 2,020,256.40 × 448,057.55
  4. Step 4: Simplify right side
    1,346,618.09x = 905,191,132,955.82
  5. Step 5: Solve for x
    x = 905,191,132,955.82/1,346,618.09
  6. Step 6: Final answer
    x = 672,195.88

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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.