Home / 1,363,612.96-1,881,919.04-1,018,850.72

Finding the Fourth Proportional to 1,363,612.96, 1,881,919.04 and 1,018,850.72

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Solution

The fourth proportional to 1,363,612.96, 1,881,919.04 and 1,018,850.72 is: 1,406,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,612.96 : 1,881,919.04 = 1,018,850.72 : x
  2. Step 2: Convert to fraction form
    1,363,612.96/1,881,919.04 = 1,018,850.72/x
  3. Step 3: Cross multiply
    1,363,612.96x = 1,881,919.04 × 1,018,850.72
  4. Step 4: Simplify right side
    1,363,612.96x = 1,917,394,568,885.71
  5. Step 5: Solve for x
    x = 1,917,394,568,885.71/1,363,612.96
  6. Step 6: Final answer
    x = 1,406,113.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.