Home / 1,490,234.30-2,233,820.55-730,907.90

Finding the Fourth Proportional to 1,490,234.30, 2,233,820.55 and 730,907.90

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Solution

The fourth proportional to 1,490,234.30, 2,233,820.55 and 730,907.90 is: 1,095,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,234.30 : 2,233,820.55 = 730,907.90 : x
  2. Step 2: Convert to fraction form
    1,490,234.30/2,233,820.55 = 730,907.90/x
  3. Step 3: Cross multiply
    1,490,234.30x = 2,233,820.55 × 730,907.90
  4. Step 4: Simplify right side
    1,490,234.30x = 1,632,717,087,177.35
  5. Step 5: Solve for x
    x = 1,632,717,087,177.35/1,490,234.30
  6. Step 6: Final answer
    x = 1,095,611.00

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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.