Home / 1,347,465.80-2,021,490.30-400,932.20

Finding the Fourth Proportional to 1,347,465.80, 2,021,490.30 and 400,932.20

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Solution

The fourth proportional to 1,347,465.80, 2,021,490.30 and 400,932.20 is: 601,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,465.80 : 2,021,490.30 = 400,932.20 : x
  2. Step 2: Convert to fraction form
    1,347,465.80/2,021,490.30 = 400,932.20/x
  3. Step 3: Cross multiply
    1,347,465.80x = 2,021,490.30 × 400,932.20
  4. Step 4: Simplify right side
    1,347,465.80x = 810,480,553,257.66
  5. Step 5: Solve for x
    x = 810,480,553,257.66/1,347,465.80
  6. Step 6: Final answer
    x = 601,485.06

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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.