Home / 1,157,554.20-1,735,748.10-684,384.60

Finding the Fourth Proportional to 1,157,554.20, 1,735,748.10 and 684,384.60

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Solution

The fourth proportional to 1,157,554.20, 1,735,748.10 and 684,384.60 is: 1,026,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,554.20 : 1,735,748.10 = 684,384.60 : x
  2. Step 2: Convert to fraction form
    1,157,554.20/1,735,748.10 = 684,384.60/x
  3. Step 3: Cross multiply
    1,157,554.20x = 1,735,748.10 × 684,384.60
  4. Step 4: Simplify right side
    1,157,554.20x = 1,187,919,269,119.26
  5. Step 5: Solve for x
    x = 1,187,919,269,119.26/1,157,554.20
  6. Step 6: Final answer
    x = 1,026,232.09

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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.