Home / 1,275,326.91-1,759,801.55-724,006.08

Finding the Fourth Proportional to 1,275,326.91, 1,759,801.55 and 724,006.08

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Solution

The fourth proportional to 1,275,326.91, 1,759,801.55 and 724,006.08 is: 999,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,326.91 : 1,759,801.55 = 724,006.08 : x
  2. Step 2: Convert to fraction form
    1,275,326.91/1,759,801.55 = 724,006.08/x
  3. Step 3: Cross multiply
    1,275,326.91x = 1,759,801.55 × 724,006.08
  4. Step 4: Simplify right side
    1,275,326.91x = 1,274,107,018,173.39
  5. Step 5: Solve for x
    x = 1,274,107,018,173.39/1,275,326.91
  6. Step 6: Final answer
    x = 999,043.47

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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.