Home / 1,756,129.80-2,634,194.70-426,433.80

Finding the Fourth Proportional to 1,756,129.80, 2,634,194.70 and 426,433.80

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Solution

The fourth proportional to 1,756,129.80, 2,634,194.70 and 426,433.80 is: 639,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,129.80 : 2,634,194.70 = 426,433.80 : x
  2. Step 2: Convert to fraction form
    1,756,129.80/2,634,194.70 = 426,433.80/x
  3. Step 3: Cross multiply
    1,756,129.80x = 2,634,194.70 × 426,433.80
  4. Step 4: Simplify right side
    1,756,129.80x = 1,123,309,655,860.86
  5. Step 5: Solve for x
    x = 1,123,309,655,860.86/1,756,129.80
  6. Step 6: Final answer
    x = 639,650.70

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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.