Home / 1,684,704.60-2,521,808.10-1,212,312.60

Finding the Fourth Proportional to 1,684,704.60, 2,521,808.10 and 1,212,312.60

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Solution

The fourth proportional to 1,684,704.60, 2,521,808.10 and 1,212,312.60 is: 1,814,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,704.60 : 2,521,808.10 = 1,212,312.60 : x
  2. Step 2: Convert to fraction form
    1,684,704.60/2,521,808.10 = 1,212,312.60/x
  3. Step 3: Cross multiply
    1,684,704.60x = 2,521,808.10 × 1,212,312.60
  4. Step 4: Simplify right side
    1,684,704.60x = 3,057,219,734,412.06
  5. Step 5: Solve for x
    x = 3,057,219,734,412.06/1,684,704.60
  6. Step 6: Final answer
    x = 1,814,691.87

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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.