Home / 1,646,931.76-2,468,684.88-636,747.56

Finding the Fourth Proportional to 1,646,931.76, 2,468,684.88 and 636,747.56

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Solution

The fourth proportional to 1,646,931.76, 2,468,684.88 and 636,747.56 is: 954,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,931.76 : 2,468,684.88 = 636,747.56 : x
  2. Step 2: Convert to fraction form
    1,646,931.76/2,468,684.88 = 636,747.56/x
  3. Step 3: Cross multiply
    1,646,931.76x = 2,468,684.88 × 636,747.56
  4. Step 4: Simplify right side
    1,646,931.76x = 1,571,929,073,748.89
  5. Step 5: Solve for x
    x = 1,571,929,073,748.89/1,646,931.76
  6. Step 6: Final answer
    x = 954,459.14

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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.