Home / 5,258,260.50-7,887,390.72-1,269,172.50

Finding the Fourth Proportional to 5,258,260.50, 7,887,390.72 and 1,269,172.50

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Solution

The fourth proportional to 5,258,260.50, 7,887,390.72 and 1,269,172.50 is: 1,903,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,260.50 : 7,887,390.72 = 1,269,172.50 : x
  2. Step 2: Convert to fraction form
    5,258,260.50/7,887,390.72 = 1,269,172.50/x
  3. Step 3: Cross multiply
    5,258,260.50x = 7,887,390.72 × 1,269,172.50
  4. Step 4: Simplify right side
    5,258,260.50x = 10,010,459,398,579.20
  5. Step 5: Solve for x
    x = 10,010,459,398,579.20/5,258,260.50
  6. Step 6: Final answer
    x = 1,903,758.74

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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.