Home / 1,302,390.59-1,796,726.49-785,856.38

Finding the Fourth Proportional to 1,302,390.59, 1,796,726.49 and 785,856.38

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Solution

The fourth proportional to 1,302,390.59, 1,796,726.49 and 785,856.38 is: 1,084,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,390.59 : 1,796,726.49 = 785,856.38 : x
  2. Step 2: Convert to fraction form
    1,302,390.59/1,796,726.49 = 785,856.38/x
  3. Step 3: Cross multiply
    1,302,390.59x = 1,796,726.49 × 785,856.38
  4. Step 4: Simplify right side
    1,302,390.59x = 1,411,968,966,297.87
  5. Step 5: Solve for x
    x = 1,411,968,966,297.87/1,302,390.59
  6. Step 6: Final answer
    x = 1,084,136.34

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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.