Home / 1,443,141.12-2,164,688.64-496,520

Finding the Fourth Proportional to 1,443,141.12, 2,164,688.64 and 496,520

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Solution

The fourth proportional to 1,443,141.12, 2,164,688.64 and 496,520 is: 744,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,141.12 : 2,164,688.64 = 496,520 : x
  2. Step 2: Convert to fraction form
    1,443,141.12/2,164,688.64 = 496,520/x
  3. Step 3: Cross multiply
    1,443,141.12x = 2,164,688.64 × 496,520
  4. Step 4: Simplify right side
    1,443,141.12x = 1,074,811,203,532.80
  5. Step 5: Solve for x
    x = 1,074,811,203,532.80/1,443,141.12
  6. Step 6: Final answer
    x = 744,772.07

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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.