Home / 1,014,424.60-1,401,364.12-810,207.40

Finding the Fourth Proportional to 1,014,424.60, 1,401,364.12 and 810,207.40

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Solution

The fourth proportional to 1,014,424.60, 1,401,364.12 and 810,207.40 is: 1,119,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,424.60 : 1,401,364.12 = 810,207.40 : x
  2. Step 2: Convert to fraction form
    1,014,424.60/1,401,364.12 = 810,207.40/x
  3. Step 3: Cross multiply
    1,014,424.60x = 1,401,364.12 × 810,207.40
  4. Step 4: Simplify right side
    1,014,424.60x = 1,135,395,580,118.49
  5. Step 5: Solve for x
    x = 1,135,395,580,118.49/1,014,424.60
  6. Step 6: Final answer
    x = 1,119,250.83

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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.