Home / 1,615,214.40-2,229,010.82-890,088.06

Finding the Fourth Proportional to 1,615,214.40, 2,229,010.82 and 890,088.06

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Solution

The fourth proportional to 1,615,214.40, 2,229,010.82 and 890,088.06 is: 1,228,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,214.40 : 2,229,010.82 = 890,088.06 : x
  2. Step 2: Convert to fraction form
    1,615,214.40/2,229,010.82 = 890,088.06/x
  3. Step 3: Cross multiply
    1,615,214.40x = 2,229,010.82 × 890,088.06
  4. Step 4: Simplify right side
    1,615,214.40x = 1,984,015,916,492.81
  5. Step 5: Solve for x
    x = 1,984,015,916,492.81/1,615,214.40
  6. Step 6: Final answer
    x = 1,228,329.76

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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.