Home / 1,040,090.40-1,560,281.40-408,857.40

Finding the Fourth Proportional to 1,040,090.40, 1,560,281.40 and 408,857.40

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Solution

The fourth proportional to 1,040,090.40, 1,560,281.40 and 408,857.40 is: 613,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,090.40 : 1,560,281.40 = 408,857.40 : x
  2. Step 2: Convert to fraction form
    1,040,090.40/1,560,281.40 = 408,857.40/x
  3. Step 3: Cross multiply
    1,040,090.40x = 1,560,281.40 × 408,857.40
  4. Step 4: Simplify right side
    1,040,090.40x = 637,932,596,472.36
  5. Step 5: Solve for x
    x = 637,932,596,472.36/1,040,090.40
  6. Step 6: Final answer
    x = 613,343.41

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1.5x scale

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.