Home / 1,375,573.70-2,063,360.55-1,209,685.70

Finding the Fourth Proportional to 1,375,573.70, 2,063,360.55 and 1,209,685.70

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Solution

The fourth proportional to 1,375,573.70, 2,063,360.55 and 1,209,685.70 is: 1,814,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,573.70 : 2,063,360.55 = 1,209,685.70 : x
  2. Step 2: Convert to fraction form
    1,375,573.70/2,063,360.55 = 1,209,685.70/x
  3. Step 3: Cross multiply
    1,375,573.70x = 2,063,360.55 × 1,209,685.70
  4. Step 4: Simplify right side
    1,375,573.70x = 2,496,017,751,279.13
  5. Step 5: Solve for x
    x = 2,496,017,751,279.13/1,375,573.70
  6. Step 6: Final answer
    x = 1,814,528.55

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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.