Home / 1,137,325.05-1,706,228.15-427,359.24

Finding the Fourth Proportional to 1,137,325.05, 1,706,228.15 and 427,359.24

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Solution

The fourth proportional to 1,137,325.05, 1,706,228.15 and 427,359.24 is: 641,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,325.05 : 1,706,228.15 = 427,359.24 : x
  2. Step 2: Convert to fraction form
    1,137,325.05/1,706,228.15 = 427,359.24/x
  3. Step 3: Cross multiply
    1,137,325.05x = 1,706,228.15 × 427,359.24
  4. Step 4: Simplify right side
    1,137,325.05x = 729,172,363,313.81
  5. Step 5: Solve for x
    x = 729,172,363,313.81/1,137,325.05
  6. Step 6: Final answer
    x = 641,129.26

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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.