Home / 1,488,495.96-2,054,087.64-868,419.90

Finding the Fourth Proportional to 1,488,495.96, 2,054,087.64 and 868,419.90

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Solution

The fourth proportional to 1,488,495.96, 2,054,087.64 and 868,419.90 is: 1,198,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,495.96 : 2,054,087.64 = 868,419.90 : x
  2. Step 2: Convert to fraction form
    1,488,495.96/2,054,087.64 = 868,419.90/x
  3. Step 3: Cross multiply
    1,488,495.96x = 2,054,087.64 × 868,419.90
  4. Step 4: Simplify right side
    1,488,495.96x = 1,783,810,582,920.04
  5. Step 5: Solve for x
    x = 1,783,810,582,920.04/1,488,495.96
  6. Step 6: Final answer
    x = 1,198,398.00

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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.