Home / 879,237.70-1,318,856.55-787,999.30

Finding the Fourth Proportional to 879,237.70, 1,318,856.55 and 787,999.30

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Solution

The fourth proportional to 879,237.70, 1,318,856.55 and 787,999.30 is: 1,181,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,237.70 : 1,318,856.55 = 787,999.30 : x
  2. Step 2: Convert to fraction form
    879,237.70/1,318,856.55 = 787,999.30/x
  3. Step 3: Cross multiply
    879,237.70x = 1,318,856.55 × 787,999.30
  4. Step 4: Simplify right side
    879,237.70x = 1,039,258,038,200.42
  5. Step 5: Solve for x
    x = 1,039,258,038,200.42/879,237.70
  6. Step 6: Final answer
    x = 1,181,998.95

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1.5x scale

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.