Home / 1,994,549.40-2,991,747.30-664,853.40

Finding the Fourth Proportional to 1,994,549.40, 2,991,747.30 and 664,853.40

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Solution

The fourth proportional to 1,994,549.40, 2,991,747.30 and 664,853.40 is: 997,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,549.40 : 2,991,747.30 = 664,853.40 : x
  2. Step 2: Convert to fraction form
    1,994,549.40/2,991,747.30 = 664,853.40/x
  3. Step 3: Cross multiply
    1,994,549.40x = 2,991,747.30 × 664,853.40
  4. Step 4: Simplify right side
    1,994,549.40x = 1,989,073,364,345.82
  5. Step 5: Solve for x
    x = 1,989,073,364,345.82/1,994,549.40
  6. Step 6: Final answer
    x = 997,254.50

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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.