Home / 1,245,265.05-1,867,898.94-346,708.74

Finding the Fourth Proportional to 1,245,265.05, 1,867,898.94 and 346,708.74

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Solution

The fourth proportional to 1,245,265.05, 1,867,898.94 and 346,708.74 is: 520,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,265.05 : 1,867,898.94 = 346,708.74 : x
  2. Step 2: Convert to fraction form
    1,245,265.05/1,867,898.94 = 346,708.74/x
  3. Step 3: Cross multiply
    1,245,265.05x = 1,867,898.94 × 346,708.74
  4. Step 4: Simplify right side
    1,245,265.05x = 647,616,887,934.74
  5. Step 5: Solve for x
    x = 647,616,887,934.74/1,245,265.05
  6. Step 6: Final answer
    x = 520,063.49

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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.