Home / 1,294,722.29-1,940,325.91-687,357.16

Finding the Fourth Proportional to 1,294,722.29, 1,940,325.91 and 687,357.16

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Solution

The fourth proportional to 1,294,722.29, 1,940,325.91 and 687,357.16 is: 1,030,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,722.29 : 1,940,325.91 = 687,357.16 : x
  2. Step 2: Convert to fraction form
    1,294,722.29/1,940,325.91 = 687,357.16/x
  3. Step 3: Cross multiply
    1,294,722.29x = 1,940,325.91 × 687,357.16
  4. Step 4: Simplify right side
    1,294,722.29x = 1,333,696,900,402.81
  5. Step 5: Solve for x
    x = 1,333,696,900,402.81/1,294,722.29
  6. Step 6: Final answer
    x = 1,030,102.68

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