Home / 1,367,913.76-2,051,905.68-648,086.92

Finding the Fourth Proportional to 1,367,913.76, 2,051,905.68 and 648,086.92

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Solution

The fourth proportional to 1,367,913.76, 2,051,905.68 and 648,086.92 is: 972,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,913.76 : 2,051,905.68 = 648,086.92 : x
  2. Step 2: Convert to fraction form
    1,367,913.76/2,051,905.68 = 648,086.92/x
  3. Step 3: Cross multiply
    1,367,913.76x = 2,051,905.68 × 648,086.92
  4. Step 4: Simplify right side
    1,367,913.76x = 1,329,813,232,281.71
  5. Step 5: Solve for x
    x = 1,329,813,232,281.71/1,367,913.76
  6. Step 6: Final answer
    x = 972,146.98

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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.