Home / 1,615,265.98-2,229,081.78-890,139.70

Finding the Fourth Proportional to 1,615,265.98, 2,229,081.78 and 890,139.70

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Solution

The fourth proportional to 1,615,265.98, 2,229,081.78 and 890,139.70 is: 1,228,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,265.98 : 2,229,081.78 = 890,139.70 : x
  2. Step 2: Convert to fraction form
    1,615,265.98/2,229,081.78 = 890,139.70/x
  3. Step 3: Cross multiply
    1,615,265.98x = 2,229,081.78 × 890,139.70
  4. Step 4: Simplify right side
    1,615,265.98x = 1,984,194,186,924.67
  5. Step 5: Solve for x
    x = 1,984,194,186,924.67/1,615,265.98
  6. Step 6: Final answer
    x = 1,228,400.90

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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.