Home / 1,423,333.44-2,140,121.39-1,312,371.14

Finding the Fourth Proportional to 1,423,333.44, 2,140,121.39 and 1,312,371.14

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Solution

The fourth proportional to 1,423,333.44, 2,140,121.39 and 1,312,371.14 is: 1,973,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,333.44 : 2,140,121.39 = 1,312,371.14 : x
  2. Step 2: Convert to fraction form
    1,423,333.44/2,140,121.39 = 1,312,371.14/x
  3. Step 3: Cross multiply
    1,423,333.44x = 2,140,121.39 × 1,312,371.14
  4. Step 4: Simplify right side
    1,423,333.44x = 2,808,633,531,070.22
  5. Step 5: Solve for x
    x = 2,808,633,531,070.22/1,423,333.44
  6. Step 6: Final answer
    x = 1,973,278.68

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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.