Home / 867,394.36-1,301,869.14-726,123.88

Finding the Fourth Proportional to 867,394.36, 1,301,869.14 and 726,123.88

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Solution

The fourth proportional to 867,394.36, 1,301,869.14 and 726,123.88 is: 1,089,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,394.36 : 1,301,869.14 = 726,123.88 : x
  2. Step 2: Convert to fraction form
    867,394.36/1,301,869.14 = 726,123.88/x
  3. Step 3: Cross multiply
    867,394.36x = 1,301,869.14 × 726,123.88
  4. Step 4: Simplify right side
    867,394.36x = 945,318,271,189.06
  5. Step 5: Solve for x
    x = 945,318,271,189.06/867,394.36
  6. Step 6: Final answer
    x = 1,089,836.77

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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.