Home / 1,975,729.20-2,963,367.40-516,916.46

Finding the Fourth Proportional to 1,975,729.20, 2,963,367.40 and 516,916.46

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Solution

The fourth proportional to 1,975,729.20, 2,963,367.40 and 516,916.46 is: 775,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,729.20 : 2,963,367.40 = 516,916.46 : x
  2. Step 2: Convert to fraction form
    1,975,729.20/2,963,367.40 = 516,916.46/x
  3. Step 3: Cross multiply
    1,975,729.20x = 2,963,367.40 × 516,916.46
  4. Step 4: Simplify right side
    1,975,729.20x = 1,531,813,386,087.40
  5. Step 5: Solve for x
    x = 1,531,813,386,087.40/1,975,729.20
  6. Step 6: Final answer
    x = 775,315.46

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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.