Home / 872,557.60-1,308,836.40-835,232.80

Finding the Fourth Proportional to 872,557.60, 1,308,836.40 and 835,232.80

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Solution

The fourth proportional to 872,557.60, 1,308,836.40 and 835,232.80 is: 1,252,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,557.60 : 1,308,836.40 = 835,232.80 : x
  2. Step 2: Convert to fraction form
    872,557.60/1,308,836.40 = 835,232.80/x
  3. Step 3: Cross multiply
    872,557.60x = 1,308,836.40 × 835,232.80
  4. Step 4: Simplify right side
    872,557.60x = 1,093,183,091,113.92
  5. Step 5: Solve for x
    x = 1,093,183,091,113.92/872,557.60
  6. Step 6: Final answer
    x = 1,252,849.20

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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.