Home / 1,615,492.29-2,229,372.03-890,338.44

Finding the Fourth Proportional to 1,615,492.29, 2,229,372.03 and 890,338.44

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Solution

The fourth proportional to 1,615,492.29, 2,229,372.03 and 890,338.44 is: 1,228,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,492.29 : 2,229,372.03 = 890,338.44 : x
  2. Step 2: Convert to fraction form
    1,615,492.29/2,229,372.03 = 890,338.44/x
  3. Step 3: Cross multiply
    1,615,492.29x = 2,229,372.03 × 890,338.44
  4. Step 4: Simplify right side
    1,615,492.29x = 1,984,895,615,369.83
  5. Step 5: Solve for x
    x = 1,984,895,615,369.83/1,615,492.29
  6. Step 6: Final answer
    x = 1,228,663.01

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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.