Home / 1,490,232.80-2,233,818.30-730,906.40

Finding the Fourth Proportional to 1,490,232.80, 2,233,818.30 and 730,906.40

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Solution

The fourth proportional to 1,490,232.80, 2,233,818.30 and 730,906.40 is: 1,095,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,232.80 : 2,233,818.30 = 730,906.40 : x
  2. Step 2: Convert to fraction form
    1,490,232.80/2,233,818.30 = 730,906.40/x
  3. Step 3: Cross multiply
    1,490,232.80x = 2,233,818.30 × 730,906.40
  4. Step 4: Simplify right side
    1,490,232.80x = 1,632,712,091,907.12
  5. Step 5: Solve for x
    x = 1,632,712,091,907.12/1,490,232.80
  6. Step 6: Final answer
    x = 1,095,608.75

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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.