Home / 1,660,690.10-2,489,467.80-901,412.30

Finding the Fourth Proportional to 1,660,690.10, 2,489,467.80 and 901,412.30

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Solution

The fourth proportional to 1,660,690.10, 2,489,467.80 and 901,412.30 is: 1,351,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,690.10 : 2,489,467.80 = 901,412.30 : x
  2. Step 2: Convert to fraction form
    1,660,690.10/2,489,467.80 = 901,412.30/x
  3. Step 3: Cross multiply
    1,660,690.10x = 2,489,467.80 × 901,412.30
  4. Step 4: Simplify right side
    1,660,690.10x = 2,244,036,895,373.94
  5. Step 5: Solve for x
    x = 2,244,036,895,373.94/1,660,690.10
  6. Step 6: Final answer
    x = 1,351,267.70

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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.