Home / 1,004,805.70-1,505,458.95-864,837.70

Finding the Fourth Proportional to 1,004,805.70, 1,505,458.95 and 864,837.70

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Solution

The fourth proportional to 1,004,805.70, 1,505,458.95 and 864,837.70 is: 1,295,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,805.70 : 1,505,458.95 = 864,837.70 : x
  2. Step 2: Convert to fraction form
    1,004,805.70/1,505,458.95 = 864,837.70/x
  3. Step 3: Cross multiply
    1,004,805.70x = 1,505,458.95 × 864,837.70
  4. Step 4: Simplify right side
    1,004,805.70x = 1,301,977,655,762.41
  5. Step 5: Solve for x
    x = 1,301,977,655,762.41/1,004,805.70
  6. Step 6: Final answer
    x = 1,295,750.67

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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.