Home / 1,078,065.97-1,616,749.11-358,214.37

Finding the Fourth Proportional to 1,078,065.97, 1,616,749.11 and 358,214.37

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Solution

The fourth proportional to 1,078,065.97, 1,616,749.11 and 358,214.37 is: 537,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,065.97 : 1,616,749.11 = 358,214.37 : x
  2. Step 2: Convert to fraction form
    1,078,065.97/1,616,749.11 = 358,214.37/x
  3. Step 3: Cross multiply
    1,078,065.97x = 1,616,749.11 × 358,214.37
  4. Step 4: Simplify right side
    1,078,065.97x = 579,142,756,698.50
  5. Step 5: Solve for x
    x = 579,142,756,698.50/1,078,065.97
  6. Step 6: Final answer
    x = 537,205.30

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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.