Home / 1,689,503.26-2,534,263.38-427,332.10

Finding the Fourth Proportional to 1,689,503.26, 2,534,263.38 and 427,332.10

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Solution

The fourth proportional to 1,689,503.26, 2,534,263.38 and 427,332.10 is: 641,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,503.26 : 2,534,263.38 = 427,332.10 : x
  2. Step 2: Convert to fraction form
    1,689,503.26/2,534,263.38 = 427,332.10/x
  3. Step 3: Cross multiply
    1,689,503.26x = 2,534,263.38 × 427,332.10
  4. Step 4: Simplify right side
    1,689,503.26x = 1,082,972,092,128.50
  5. Step 5: Solve for x
    x = 1,082,972,092,128.50/1,689,503.26
  6. Step 6: Final answer
    x = 641,000.30

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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.