Home / 1,660,699.60-2,489,482.05-901,421.80

Finding the Fourth Proportional to 1,660,699.60, 2,489,482.05 and 901,421.80

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Solution

The fourth proportional to 1,660,699.60, 2,489,482.05 and 901,421.80 is: 1,351,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,699.60 : 2,489,482.05 = 901,421.80 : x
  2. Step 2: Convert to fraction form
    1,660,699.60/2,489,482.05 = 901,421.80/x
  3. Step 3: Cross multiply
    1,660,699.60x = 2,489,482.05 × 901,421.80
  4. Step 4: Simplify right side
    1,660,699.60x = 2,244,073,390,578.69
  5. Step 5: Solve for x
    x = 2,244,073,390,578.69/1,660,699.60
  6. Step 6: Final answer
    x = 1,351,281.95

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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.