Home / 1,078,491.40-1,488,795.42-696,704.20

Finding the Fourth Proportional to 1,078,491.40, 1,488,795.42 and 696,704.20

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Solution

The fourth proportional to 1,078,491.40, 1,488,795.42 and 696,704.20 is: 961,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,491.40 : 1,488,795.42 = 696,704.20 : x
  2. Step 2: Convert to fraction form
    1,078,491.40/1,488,795.42 = 696,704.20/x
  3. Step 3: Cross multiply
    1,078,491.40x = 1,488,795.42 × 696,704.20
  4. Step 4: Simplify right side
    1,078,491.40x = 1,037,250,022,054.76
  5. Step 5: Solve for x
    x = 1,037,250,022,054.76/1,078,491.40
  6. Step 6: Final answer
    x = 961,760.12

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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.