Home / 1,275,537-1,760,113.29-785,427.93

Finding the Fourth Proportional to 1,275,537, 1,760,113.29 and 785,427.93

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Solution

The fourth proportional to 1,275,537, 1,760,113.29 and 785,427.93 is: 1,083,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,537 : 1,760,113.29 = 785,427.93 : x
  2. Step 2: Convert to fraction form
    1,275,537/1,760,113.29 = 785,427.93/x
  3. Step 3: Cross multiply
    1,275,537x = 1,760,113.29 × 785,427.93
  4. Step 4: Simplify right side
    1,275,537x = 1,382,442,137,930.19
  5. Step 5: Solve for x
    x = 1,382,442,137,930.19/1,275,537
  6. Step 6: Final answer
    x = 1,083,811.87

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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.