Home / 1,315,258.50-1,967,188.32-774,225.68

Finding the Fourth Proportional to 1,315,258.50, 1,967,188.32 and 774,225.68

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Solution

The fourth proportional to 1,315,258.50, 1,967,188.32 and 774,225.68 is: 1,157,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,258.50 : 1,967,188.32 = 774,225.68 : x
  2. Step 2: Convert to fraction form
    1,315,258.50/1,967,188.32 = 774,225.68/x
  3. Step 3: Cross multiply
    1,315,258.50x = 1,967,188.32 × 774,225.68
  4. Step 4: Simplify right side
    1,315,258.50x = 1,523,047,719,658.03
  5. Step 5: Solve for x
    x = 1,523,047,719,658.03/1,315,258.50
  6. Step 6: Final answer
    x = 1,157,983.56

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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.