Home / 872,072.92-1,306,614.60-692,711.58

Finding the Fourth Proportional to 872,072.92, 1,306,614.60 and 692,711.58

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Solution

The fourth proportional to 872,072.92, 1,306,614.60 and 692,711.58 is: 1,037,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,072.92 : 1,306,614.60 = 692,711.58 : x
  2. Step 2: Convert to fraction form
    872,072.92/1,306,614.60 = 692,711.58/x
  3. Step 3: Cross multiply
    872,072.92x = 1,306,614.60 × 692,711.58
  4. Step 4: Simplify right side
    872,072.92x = 905,107,064,017.07
  5. Step 5: Solve for x
    x = 905,107,064,017.07/872,072.92
  6. Step 6: Final answer
    x = 1,037,880.03

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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.