Home / 1,416,666.43-1,954,942.76-772,072.79

Finding the Fourth Proportional to 1,416,666.43, 1,954,942.76 and 772,072.79

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Solution

The fourth proportional to 1,416,666.43, 1,954,942.76 and 772,072.79 is: 1,065,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,666.43 : 1,954,942.76 = 772,072.79 : x
  2. Step 2: Convert to fraction form
    1,416,666.43/1,954,942.76 = 772,072.79/x
  3. Step 3: Cross multiply
    1,416,666.43x = 1,954,942.76 × 772,072.79
  4. Step 4: Simplify right side
    1,416,666.43x = 1,509,358,097,368.42
  5. Step 5: Solve for x
    x = 1,509,358,097,368.42/1,416,666.43
  6. Step 6: Final answer
    x = 1,065,429.42

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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.