Home / 1,078,182.08-1,488,369.48-696,395

Finding the Fourth Proportional to 1,078,182.08, 1,488,369.48 and 696,395

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Solution

The fourth proportional to 1,078,182.08, 1,488,369.48 and 696,395 is: 961,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,182.08 : 1,488,369.48 = 696,395 : x
  2. Step 2: Convert to fraction form
    1,078,182.08/1,488,369.48 = 696,395/x
  3. Step 3: Cross multiply
    1,078,182.08x = 1,488,369.48 × 696,395
  4. Step 4: Simplify right side
    1,078,182.08x = 1,036,493,064,024.60
  5. Step 5: Solve for x
    x = 1,036,493,064,024.60/1,078,182.08
  6. Step 6: Final answer
    x = 961,333.97

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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.