Home / 1,287,013.37-1,776,910.43-797,502.31

Finding the Fourth Proportional to 1,287,013.37, 1,776,910.43 and 797,502.31

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Solution

The fourth proportional to 1,287,013.37, 1,776,910.43 and 797,502.31 is: 1,101,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,013.37 : 1,776,910.43 = 797,502.31 : x
  2. Step 2: Convert to fraction form
    1,287,013.37/1,776,910.43 = 797,502.31/x
  3. Step 3: Cross multiply
    1,287,013.37x = 1,776,910.43 × 797,502.31
  4. Step 4: Simplify right side
    1,287,013.37x = 1,417,090,170,139.57
  5. Step 5: Solve for x
    x = 1,417,090,170,139.57/1,287,013.37
  6. Step 6: Final answer
    x = 1,101,068.73

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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.