Home / 1,489,664.20-2,234,496.30-779,909.80

Finding the Fourth Proportional to 1,489,664.20, 2,234,496.30 and 779,909.80

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Solution

The fourth proportional to 1,489,664.20, 2,234,496.30 and 779,909.80 is: 1,169,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,664.20 : 2,234,496.30 = 779,909.80 : x
  2. Step 2: Convert to fraction form
    1,489,664.20/2,234,496.30 = 779,909.80/x
  3. Step 3: Cross multiply
    1,489,664.20x = 2,234,496.30 × 779,909.80
  4. Step 4: Simplify right side
    1,489,664.20x = 1,742,705,562,433.74
  5. Step 5: Solve for x
    x = 1,742,705,562,433.74/1,489,664.20
  6. Step 6: Final answer
    x = 1,169,864.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.