Home / 1,689,516.29-2,534,282.85-427,345.13

Finding the Fourth Proportional to 1,689,516.29, 2,534,282.85 and 427,345.13

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Solution

The fourth proportional to 1,689,516.29, 2,534,282.85 and 427,345.13 is: 641,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,516.29 : 2,534,282.85 = 427,345.13 : x
  2. Step 2: Convert to fraction form
    1,689,516.29/2,534,282.85 = 427,345.13/x
  3. Step 3: Cross multiply
    1,689,516.29x = 2,534,282.85 × 427,345.13
  4. Step 4: Simplify right side
    1,689,516.29x = 1,083,013,433,990.02
  5. Step 5: Solve for x
    x = 1,083,013,433,990.02/1,689,516.29
  6. Step 6: Final answer
    x = 641,019.82

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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.