Home / 1,994,718.94-2,992,498.76-646,776.45

Finding the Fourth Proportional to 1,994,718.94, 2,992,498.76 and 646,776.45

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Solution

The fourth proportional to 1,994,718.94, 2,992,498.76 and 646,776.45 is: 970,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,718.94 : 2,992,498.76 = 646,776.45 : x
  2. Step 2: Convert to fraction form
    1,994,718.94/2,992,498.76 = 646,776.45/x
  3. Step 3: Cross multiply
    1,994,718.94x = 2,992,498.76 × 646,776.45
  4. Step 4: Simplify right side
    1,994,718.94x = 1,935,477,726,239.14
  5. Step 5: Solve for x
    x = 1,935,477,726,239.14/1,994,718.94
  6. Step 6: Final answer
    x = 970,300.97

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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.