Home / 1,207,643.32-1,666,293.42-671,087.80

Finding the Fourth Proportional to 1,207,643.32, 1,666,293.42 and 671,087.80

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Solution

The fourth proportional to 1,207,643.32, 1,666,293.42 and 671,087.80 is: 925,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,643.32 : 1,666,293.42 = 671,087.80 : x
  2. Step 2: Convert to fraction form
    1,207,643.32/1,666,293.42 = 671,087.80/x
  3. Step 3: Cross multiply
    1,207,643.32x = 1,666,293.42 × 671,087.80
  4. Step 4: Simplify right side
    1,207,643.32x = 1,118,229,185,382.28
  5. Step 5: Solve for x
    x = 1,118,229,185,382.28/1,207,643.32
  6. Step 6: Final answer
    x = 925,959.82

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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.