Home / 1,331,123.41-1,996,174.81-1,047,372.31

Finding the Fourth Proportional to 1,331,123.41, 1,996,174.81 and 1,047,372.31

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Solution

The fourth proportional to 1,331,123.41, 1,996,174.81 and 1,047,372.31 is: 1,570,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,123.41 : 1,996,174.81 = 1,047,372.31 : x
  2. Step 2: Convert to fraction form
    1,331,123.41/1,996,174.81 = 1,047,372.31/x
  3. Step 3: Cross multiply
    1,331,123.41x = 1,996,174.81 × 1,047,372.31
  4. Step 4: Simplify right side
    1,331,123.41x = 2,090,738,221,913.51
  5. Step 5: Solve for x
    x = 2,090,738,221,913.51/1,331,123.41
  6. Step 6: Final answer
    x = 1,570,656.94

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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.