Home / 1,616,024.40-2,230,129.20-890,900.40

Finding the Fourth Proportional to 1,616,024.40, 2,230,129.20 and 890,900.40

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Solution

The fourth proportional to 1,616,024.40, 2,230,129.20 and 890,900.40 is: 1,229,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,024.40 : 2,230,129.20 = 890,900.40 : x
  2. Step 2: Convert to fraction form
    1,616,024.40/2,230,129.20 = 890,900.40/x
  3. Step 3: Cross multiply
    1,616,024.40x = 2,230,129.20 × 890,900.40
  4. Step 4: Simplify right side
    1,616,024.40x = 1,986,822,996,331.68
  5. Step 5: Solve for x
    x = 1,986,822,996,331.68/1,616,024.40
  6. Step 6: Final answer
    x = 1,229,451.11

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1.5x scale

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.