Home / 1,781,707.70-2,672,561.55-836,923.70

Finding the Fourth Proportional to 1,781,707.70, 2,672,561.55 and 836,923.70

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Solution

The fourth proportional to 1,781,707.70, 2,672,561.55 and 836,923.70 is: 1,255,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,707.70 : 2,672,561.55 = 836,923.70 : x
  2. Step 2: Convert to fraction form
    1,781,707.70/2,672,561.55 = 836,923.70/x
  3. Step 3: Cross multiply
    1,781,707.70x = 2,672,561.55 × 836,923.70
  4. Step 4: Simplify right side
    1,781,707.70x = 2,236,730,100,903.74
  5. Step 5: Solve for x
    x = 2,236,730,100,903.74/1,781,707.70
  6. Step 6: Final answer
    x = 1,255,385.55

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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.