Home / 1,340,622.64-1,850,020.34-759,899.30

Finding the Fourth Proportional to 1,340,622.64, 1,850,020.34 and 759,899.30

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Solution

The fourth proportional to 1,340,622.64, 1,850,020.34 and 759,899.30 is: 1,048,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,622.64 : 1,850,020.34 = 759,899.30 : x
  2. Step 2: Convert to fraction form
    1,340,622.64/1,850,020.34 = 759,899.30/x
  3. Step 3: Cross multiply
    1,340,622.64x = 1,850,020.34 × 759,899.30
  4. Step 4: Simplify right side
    1,340,622.64x = 1,405,829,161,351.76
  5. Step 5: Solve for x
    x = 1,405,829,161,351.76/1,340,622.64
  6. Step 6: Final answer
    x = 1,048,638.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.