Home / 1,437,716.09-2,156,204.77-426,598.85

Finding the Fourth Proportional to 1,437,716.09, 2,156,204.77 and 426,598.85

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Solution

The fourth proportional to 1,437,716.09, 2,156,204.77 and 426,598.85 is: 639,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,716.09 : 2,156,204.77 = 426,598.85 : x
  2. Step 2: Convert to fraction form
    1,437,716.09/2,156,204.77 = 426,598.85/x
  3. Step 3: Cross multiply
    1,437,716.09x = 2,156,204.77 × 426,598.85
  4. Step 4: Simplify right side
    1,437,716.09x = 919,834,475,246.51
  5. Step 5: Solve for x
    x = 919,834,475,246.51/1,437,716.09
  6. Step 6: Final answer
    x = 639,788.68

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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.