Home / 1,295,653.32-1,788,036.12-722,805.12

Finding the Fourth Proportional to 1,295,653.32, 1,788,036.12 and 722,805.12

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Solution

The fourth proportional to 1,295,653.32, 1,788,036.12 and 722,805.12 is: 997,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,653.32 : 1,788,036.12 = 722,805.12 : x
  2. Step 2: Convert to fraction form
    1,295,653.32/1,788,036.12 = 722,805.12/x
  3. Step 3: Cross multiply
    1,295,653.32x = 1,788,036.12 × 722,805.12
  4. Step 4: Simplify right side
    1,295,653.32x = 1,292,401,662,280.93
  5. Step 5: Solve for x
    x = 1,292,401,662,280.93/1,295,653.32
  6. Step 6: Final answer
    x = 997,490.33

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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.