Home / 1,237,549.80-1,856,326.16-338,999.28

Finding the Fourth Proportional to 1,237,549.80, 1,856,326.16 and 338,999.28

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Solution

The fourth proportional to 1,237,549.80, 1,856,326.16 and 338,999.28 is: 508,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,549.80 : 1,856,326.16 = 338,999.28 : x
  2. Step 2: Convert to fraction form
    1,237,549.80/1,856,326.16 = 338,999.28/x
  3. Step 3: Cross multiply
    1,237,549.80x = 1,856,326.16 × 338,999.28
  4. Step 4: Simplify right side
    1,237,549.80x = 629,293,229,990.17
  5. Step 5: Solve for x
    x = 629,293,229,990.17/1,237,549.80
  6. Step 6: Final answer
    x = 508,499.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.