Home / 1,302,905.25-1,798,083.06-730,129.95

Finding the Fourth Proportional to 1,302,905.25, 1,798,083.06 and 730,129.95

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Solution

The fourth proportional to 1,302,905.25, 1,798,083.06 and 730,129.95 is: 1,007,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,905.25 : 1,798,083.06 = 730,129.95 : x
  2. Step 2: Convert to fraction form
    1,302,905.25/1,798,083.06 = 730,129.95/x
  3. Step 3: Cross multiply
    1,302,905.25x = 1,798,083.06 × 730,129.95
  4. Step 4: Simplify right side
    1,302,905.25x = 1,312,834,291,955.66
  5. Step 5: Solve for x
    x = 1,312,834,291,955.66/1,302,905.25
  6. Step 6: Final answer
    x = 1,007,620.69

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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.