Home / 910,028.80-1,365,043.20-805,052.80

Finding the Fourth Proportional to 910,028.80, 1,365,043.20 and 805,052.80

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Solution

The fourth proportional to 910,028.80, 1,365,043.20 and 805,052.80 is: 1,207,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,028.80 : 1,365,043.20 = 805,052.80 : x
  2. Step 2: Convert to fraction form
    910,028.80/1,365,043.20 = 805,052.80/x
  3. Step 3: Cross multiply
    910,028.80x = 1,365,043.20 × 805,052.80
  4. Step 4: Simplify right side
    910,028.80x = 1,098,931,850,280.96
  5. Step 5: Solve for x
    x = 1,098,931,850,280.96/910,028.80
  6. Step 6: Final answer
    x = 1,207,579.20

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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.