Home / 1,297,343.40-1,946,015.10-849,445.80

Finding the Fourth Proportional to 1,297,343.40, 1,946,015.10 and 849,445.80

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Solution

The fourth proportional to 1,297,343.40, 1,946,015.10 and 849,445.80 is: 1,274,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,343.40 : 1,946,015.10 = 849,445.80 : x
  2. Step 2: Convert to fraction form
    1,297,343.40/1,946,015.10 = 849,445.80/x
  3. Step 3: Cross multiply
    1,297,343.40x = 1,946,015.10 × 849,445.80
  4. Step 4: Simplify right side
    1,297,343.40x = 1,653,034,353,431.58
  5. Step 5: Solve for x
    x = 1,653,034,353,431.58/1,297,343.40
  6. Step 6: Final answer
    x = 1,274,168.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.