Home / 1,490,245.80-2,233,837.80-730,919.40

Finding the Fourth Proportional to 1,490,245.80, 2,233,837.80 and 730,919.40

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Solution

The fourth proportional to 1,490,245.80, 2,233,837.80 and 730,919.40 is: 1,095,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,245.80 : 2,233,837.80 = 730,919.40 : x
  2. Step 2: Convert to fraction form
    1,490,245.80/2,233,837.80 = 730,919.40/x
  3. Step 3: Cross multiply
    1,490,245.80x = 2,233,837.80 × 730,919.40
  4. Step 4: Simplify right side
    1,490,245.80x = 1,632,755,384,473.32
  5. Step 5: Solve for x
    x = 1,632,755,384,473.32/1,490,245.80
  6. Step 6: Final answer
    x = 1,095,628.24

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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.