Home / 1,416,678.84-1,954,990.08-772,103.52

Finding the Fourth Proportional to 1,416,678.84, 1,954,990.08 and 772,103.52

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Solution

The fourth proportional to 1,416,678.84, 1,954,990.08 and 772,103.52 is: 1,065,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,678.84 : 1,954,990.08 = 772,103.52 : x
  2. Step 2: Convert to fraction form
    1,416,678.84/1,954,990.08 = 772,103.52/x
  3. Step 3: Cross multiply
    1,416,678.84x = 1,954,990.08 × 772,103.52
  4. Step 4: Simplify right side
    1,416,678.84x = 1,509,454,722,333.08
  5. Step 5: Solve for x
    x = 1,509,454,722,333.08/1,416,678.84
  6. Step 6: Final answer
    x = 1,065,488.30

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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.