Home / 1,443,130.83-2,164,056.35-769,086.50

Finding the Fourth Proportional to 1,443,130.83, 2,164,056.35 and 769,086.50

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Solution

The fourth proportional to 1,443,130.83, 2,164,056.35 and 769,086.50 is: 1,153,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,130.83 : 2,164,056.35 = 769,086.50 : x
  2. Step 2: Convert to fraction form
    1,443,130.83/2,164,056.35 = 769,086.50/x
  3. Step 3: Cross multiply
    1,443,130.83x = 2,164,056.35 × 769,086.50
  4. Step 4: Simplify right side
    1,443,130.83x = 1,664,346,509,358.56
  5. Step 5: Solve for x
    x = 1,664,346,509,358.56/1,443,130.83
  6. Step 6: Final answer
    x = 1,153,288.72

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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.