Home / 1,038,869.38-1,433,663.82-651,701.09

Finding the Fourth Proportional to 1,038,869.38, 1,433,663.82 and 651,701.09

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Solution

The fourth proportional to 1,038,869.38, 1,433,663.82 and 651,701.09 is: 899,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,869.38 : 1,433,663.82 = 651,701.09 : x
  2. Step 2: Convert to fraction form
    1,038,869.38/1,433,663.82 = 651,701.09/x
  3. Step 3: Cross multiply
    1,038,869.38x = 1,433,663.82 × 651,701.09
  4. Step 4: Simplify right side
    1,038,869.38x = 934,320,277,771.72
  5. Step 5: Solve for x
    x = 934,320,277,771.72/1,038,869.38
  6. Step 6: Final answer
    x = 899,362.61

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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.