Home / 1,590,387.42-2,194,739.85-865,234.98

Finding the Fourth Proportional to 1,590,387.42, 2,194,739.85 and 865,234.98

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Solution

The fourth proportional to 1,590,387.42, 2,194,739.85 and 865,234.98 is: 1,194,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,387.42 : 2,194,739.85 = 865,234.98 : x
  2. Step 2: Convert to fraction form
    1,590,387.42/2,194,739.85 = 865,234.98/x
  3. Step 3: Cross multiply
    1,590,387.42x = 2,194,739.85 × 865,234.98
  4. Step 4: Simplify right side
    1,590,387.42x = 1,898,965,690,219.95
  5. Step 5: Solve for x
    x = 1,898,965,690,219.95/1,590,387.42
  6. Step 6: Final answer
    x = 1,194,027.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.