Home / 1,123,917.40-1,685,876.10-365,830.30

Finding the Fourth Proportional to 1,123,917.40, 1,685,876.10 and 365,830.30

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Solution

The fourth proportional to 1,123,917.40, 1,685,876.10 and 365,830.30 is: 548,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,917.40 : 1,685,876.10 = 365,830.30 : x
  2. Step 2: Convert to fraction form
    1,123,917.40/1,685,876.10 = 365,830.30/x
  3. Step 3: Cross multiply
    1,123,917.40x = 1,685,876.10 × 365,830.30
  4. Step 4: Simplify right side
    1,123,917.40x = 616,744,559,425.83
  5. Step 5: Solve for x
    x = 616,744,559,425.83/1,123,917.40
  6. Step 6: Final answer
    x = 548,745.45

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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.