Home / 1,324,250.40-1,827,458.64-720,642.72

Finding the Fourth Proportional to 1,324,250.40, 1,827,458.64 and 720,642.72

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Solution

The fourth proportional to 1,324,250.40, 1,827,458.64 and 720,642.72 is: 994,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,250.40 : 1,827,458.64 = 720,642.72 : x
  2. Step 2: Convert to fraction form
    1,324,250.40/1,827,458.64 = 720,642.72/x
  3. Step 3: Cross multiply
    1,324,250.40x = 1,827,458.64 × 720,642.72
  4. Step 4: Simplify right side
    1,324,250.40x = 1,316,944,765,017.10
  5. Step 5: Solve for x
    x = 1,316,944,765,017.10/1,324,250.40
  6. Step 6: Final answer
    x = 994,483.19

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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.