Home / 1,305,285.52-1,801,402.60-724,563.32

Finding the Fourth Proportional to 1,305,285.52, 1,801,402.60 and 724,563.32

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Solution

The fourth proportional to 1,305,285.52, 1,801,402.60 and 724,563.32 is: 999,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,285.52 : 1,801,402.60 = 724,563.32 : x
  2. Step 2: Convert to fraction form
    1,305,285.52/1,801,402.60 = 724,563.32/x
  3. Step 3: Cross multiply
    1,305,285.52x = 1,801,402.60 × 724,563.32
  4. Step 4: Simplify right side
    1,305,285.52x = 1,305,230,248,512.63
  5. Step 5: Solve for x
    x = 1,305,230,248,512.63/1,305,285.52
  6. Step 6: Final answer
    x = 999,957.66

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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.