Home / 1,317,506.40-1,818,165.24-713,894.40

Finding the Fourth Proportional to 1,317,506.40, 1,818,165.24 and 713,894.40

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Solution

The fourth proportional to 1,317,506.40, 1,818,165.24 and 713,894.40 is: 985,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,506.40 : 1,818,165.24 = 713,894.40 : x
  2. Step 2: Convert to fraction form
    1,317,506.40/1,818,165.24 = 713,894.40/x
  3. Step 3: Cross multiply
    1,317,506.40x = 1,818,165.24 × 713,894.40
  4. Step 4: Simplify right side
    1,317,506.40x = 1,297,977,983,110.66
  5. Step 5: Solve for x
    x = 1,297,977,983,110.66/1,317,506.40
  6. Step 6: Final answer
    x = 985,177.74

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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.