Home / 1,408,229.35-1,942,523.93-898,931.72

Finding the Fourth Proportional to 1,408,229.35, 1,942,523.93 and 898,931.72

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Solution

The fourth proportional to 1,408,229.35, 1,942,523.93 and 898,931.72 is: 1,239,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,229.35 : 1,942,523.93 = 898,931.72 : x
  2. Step 2: Convert to fraction form
    1,408,229.35/1,942,523.93 = 898,931.72/x
  3. Step 3: Cross multiply
    1,408,229.35x = 1,942,523.93 × 898,931.72
  4. Step 4: Simplify right side
    1,408,229.35x = 1,746,196,379,583.21
  5. Step 5: Solve for x
    x = 1,746,196,379,583.21/1,408,229.35
  6. Step 6: Final answer
    x = 1,239,994.31

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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.