Home / 1,137,326.05-1,706,229.65-427,360.24

Finding the Fourth Proportional to 1,137,326.05, 1,706,229.65 and 427,360.24

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Solution

The fourth proportional to 1,137,326.05, 1,706,229.65 and 427,360.24 is: 641,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,326.05 : 1,706,229.65 = 427,360.24 : x
  2. Step 2: Convert to fraction form
    1,137,326.05/1,706,229.65 = 427,360.24/x
  3. Step 3: Cross multiply
    1,137,326.05x = 1,706,229.65 × 427,360.24
  4. Step 4: Simplify right side
    1,137,326.05x = 729,174,712,719.12
  5. Step 5: Solve for x
    x = 729,174,712,719.12/1,137,326.05
  6. Step 6: Final answer
    x = 641,130.76

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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.