Home / 1,342,994.40-1,853,351.06-731,165.67

Finding the Fourth Proportional to 1,342,994.40, 1,853,351.06 and 731,165.67

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Solution

The fourth proportional to 1,342,994.40, 1,853,351.06 and 731,165.67 is: 1,009,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,994.40 : 1,853,351.06 = 731,165.67 : x
  2. Step 2: Convert to fraction form
    1,342,994.40/1,853,351.06 = 731,165.67/x
  3. Step 3: Cross multiply
    1,342,994.40x = 1,853,351.06 × 731,165.67
  4. Step 4: Simplify right side
    1,342,994.40x = 1,355,106,665,874.28
  5. Step 5: Solve for x
    x = 1,355,106,665,874.28/1,342,994.40
  6. Step 6: Final answer
    x = 1,009,018.85

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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.