Home / 1,081,552.61-1,621,454.07-660,686.33

Finding the Fourth Proportional to 1,081,552.61, 1,621,454.07 and 660,686.33

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Solution

The fourth proportional to 1,081,552.61, 1,621,454.07 and 660,686.33 is: 990,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,552.61 : 1,621,454.07 = 660,686.33 : x
  2. Step 2: Convert to fraction form
    1,081,552.61/1,621,454.07 = 660,686.33/x
  3. Step 3: Cross multiply
    1,081,552.61x = 1,621,454.07 × 660,686.33
  4. Step 4: Simplify right side
    1,081,552.61x = 1,071,272,538,771.86
  5. Step 5: Solve for x
    x = 1,071,272,538,771.86/1,081,552.61
  6. Step 6: Final answer
    x = 990,495.08

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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.