Home / 1,298,150.80-1,946,304.60-499,123.60

Finding the Fourth Proportional to 1,298,150.80, 1,946,304.60 and 499,123.60

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Solution

The fourth proportional to 1,298,150.80, 1,946,304.60 and 499,123.60 is: 748,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,150.80 : 1,946,304.60 = 499,123.60 : x
  2. Step 2: Convert to fraction form
    1,298,150.80/1,946,304.60 = 499,123.60/x
  3. Step 3: Cross multiply
    1,298,150.80x = 1,946,304.60 × 499,123.60
  4. Step 4: Simplify right side
    1,298,150.80x = 971,446,558,648.56
  5. Step 5: Solve for x
    x = 971,446,558,648.56/1,298,150.80
  6. Step 6: Final answer
    x = 748,331.06

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Double scale
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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.