Home / 1,791,590.40-2,688,422.40-669,772.80

Finding the Fourth Proportional to 1,791,590.40, 2,688,422.40 and 669,772.80

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Solution

The fourth proportional to 1,791,590.40, 2,688,422.40 and 669,772.80 is: 1,005,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,590.40 : 2,688,422.40 = 669,772.80 : x
  2. Step 2: Convert to fraction form
    1,791,590.40/2,688,422.40 = 669,772.80/x
  3. Step 3: Cross multiply
    1,791,590.40x = 2,688,422.40 × 669,772.80
  4. Step 4: Simplify right side
    1,791,590.40x = 1,800,632,198,430.72
  5. Step 5: Solve for x
    x = 1,800,632,198,430.72/1,791,590.40
  6. Step 6: Final answer
    x = 1,005,046.80

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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.