Home / 1,282,998.22-1,924,924.74-430,154.26

Finding the Fourth Proportional to 1,282,998.22, 1,924,924.74 and 430,154.26

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Solution

The fourth proportional to 1,282,998.22, 1,924,924.74 and 430,154.26 is: 645,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,998.22 : 1,924,924.74 = 430,154.26 : x
  2. Step 2: Convert to fraction form
    1,282,998.22/1,924,924.74 = 430,154.26/x
  3. Step 3: Cross multiply
    1,282,998.22x = 1,924,924.74 × 430,154.26
  4. Step 4: Simplify right side
    1,282,998.22x = 828,014,577,090.39
  5. Step 5: Solve for x
    x = 828,014,577,090.39/1,282,998.22
  6. Step 6: Final answer
    x = 645,374.69

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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.