Home / 985,544.80-1,481,427.60-910,895.20

Finding the Fourth Proportional to 985,544.80, 1,481,427.60 and 910,895.20

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Solution

The fourth proportional to 985,544.80, 1,481,427.60 and 910,895.20 is: 1,369,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,544.80 : 1,481,427.60 = 910,895.20 : x
  2. Step 2: Convert to fraction form
    985,544.80/1,481,427.60 = 910,895.20/x
  3. Step 3: Cross multiply
    985,544.80x = 1,481,427.60 × 910,895.20
  4. Step 4: Simplify right side
    985,544.80x = 1,349,425,289,987.52
  5. Step 5: Solve for x
    x = 1,349,425,289,987.52/985,544.80
  6. Step 6: Final answer
    x = 1,369,217.60

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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.