Home / 1,127,995.66-1,691,873.55-318,360.06

Finding the Fourth Proportional to 1,127,995.66, 1,691,873.55 and 318,360.06

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Solution

The fourth proportional to 1,127,995.66, 1,691,873.55 and 318,360.06 is: 477,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,995.66 : 1,691,873.55 = 318,360.06 : x
  2. Step 2: Convert to fraction form
    1,127,995.66/1,691,873.55 = 318,360.06/x
  3. Step 3: Cross multiply
    1,127,995.66x = 1,691,873.55 × 318,360.06
  4. Step 4: Simplify right side
    1,127,995.66x = 538,624,969,648.81
  5. Step 5: Solve for x
    x = 538,624,969,648.81/1,127,995.66
  6. Step 6: Final answer
    x = 477,506.24

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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.