Home / 1,388,286.48-2,082,598.23-391,014.48

Finding the Fourth Proportional to 1,388,286.48, 2,082,598.23 and 391,014.48

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Solution

The fourth proportional to 1,388,286.48, 2,082,598.23 and 391,014.48 is: 586,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,286.48 : 2,082,598.23 = 391,014.48 : x
  2. Step 2: Convert to fraction form
    1,388,286.48/2,082,598.23 = 391,014.48/x
  3. Step 3: Cross multiply
    1,388,286.48x = 2,082,598.23 × 391,014.48
  4. Step 4: Simplify right side
    1,388,286.48x = 814,326,063,952.37
  5. Step 5: Solve for x
    x = 814,326,063,952.37/1,388,286.48
  6. Step 6: Final answer
    x = 586,569.18

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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.