Home / 1,609,287.40-2,415,486.30-979,431.40

Finding the Fourth Proportional to 1,609,287.40, 2,415,486.30 and 979,431.40

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Solution

The fourth proportional to 1,609,287.40, 2,415,486.30 and 979,431.40 is: 1,470,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,287.40 : 2,415,486.30 = 979,431.40 : x
  2. Step 2: Convert to fraction form
    1,609,287.40/2,415,486.30 = 979,431.40/x
  3. Step 3: Cross multiply
    1,609,287.40x = 2,415,486.30 × 979,431.40
  4. Step 4: Simplify right side
    1,609,287.40x = 2,365,803,128,489.82
  5. Step 5: Solve for x
    x = 2,365,803,128,489.82/1,609,287.40
  6. Step 6: Final answer
    x = 1,470,093.61

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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.