Home / 1,690,539.60-2,536,224.64-492,472.46

Finding the Fourth Proportional to 1,690,539.60, 2,536,224.64 and 492,472.46

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Solution

The fourth proportional to 1,690,539.60, 2,536,224.64 and 492,472.46 is: 738,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,539.60 : 2,536,224.64 = 492,472.46 : x
  2. Step 2: Convert to fraction form
    1,690,539.60/2,536,224.64 = 492,472.46/x
  3. Step 3: Cross multiply
    1,690,539.60x = 2,536,224.64 × 492,472.46
  4. Step 4: Simplify right side
    1,690,539.60x = 1,249,020,787,573.41
  5. Step 5: Solve for x
    x = 1,249,020,787,573.41/1,690,539.60
  6. Step 6: Final answer
    x = 738,829.65

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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.