Home / 1,363,638.88-1,881,404.65-790,564.69

Finding the Fourth Proportional to 1,363,638.88, 1,881,404.65 and 790,564.69

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Solution

The fourth proportional to 1,363,638.88, 1,881,404.65 and 790,564.69 is: 1,090,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,638.88 : 1,881,404.65 = 790,564.69 : x
  2. Step 2: Convert to fraction form
    1,363,638.88/1,881,404.65 = 790,564.69/x
  3. Step 3: Cross multiply
    1,363,638.88x = 1,881,404.65 × 790,564.69
  4. Step 4: Simplify right side
    1,363,638.88x = 1,487,372,087,231.77
  5. Step 5: Solve for x
    x = 1,487,372,087,231.77/1,363,638.88
  6. Step 6: Final answer
    x = 1,090,737.52

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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.