Home / 1,078,372.34-1,488,101.89-588,312.68

Finding the Fourth Proportional to 1,078,372.34, 1,488,101.89 and 588,312.68

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Solution

The fourth proportional to 1,078,372.34, 1,488,101.89 and 588,312.68 is: 811,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,372.34 : 1,488,101.89 = 588,312.68 : x
  2. Step 2: Convert to fraction form
    1,078,372.34/1,488,101.89 = 588,312.68/x
  3. Step 3: Cross multiply
    1,078,372.34x = 1,488,101.89 × 588,312.68
  4. Step 4: Simplify right side
    1,078,372.34x = 875,469,214,501.32
  5. Step 5: Solve for x
    x = 875,469,214,501.32/1,078,372.34
  6. Step 6: Final answer
    x = 811,843.17

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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.