Home / 1,408,016-1,942,267.20-834,492.80

Finding the Fourth Proportional to 1,408,016, 1,942,267.20 and 834,492.80

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Solution

The fourth proportional to 1,408,016, 1,942,267.20 and 834,492.80 is: 1,151,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,016 : 1,942,267.20 = 834,492.80 : x
  2. Step 2: Convert to fraction form
    1,408,016/1,942,267.20 = 834,492.80/x
  3. Step 3: Cross multiply
    1,408,016x = 1,942,267.20 × 834,492.80
  4. Step 4: Simplify right side
    1,408,016x = 1,620,807,994,076.16
  5. Step 5: Solve for x
    x = 1,620,807,994,076.16/1,408,016
  6. Step 6: Final answer
    x = 1,151,128.96

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1.5x scale

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.