Home / 1,157,515.20-1,735,689.60-684,345.60

Finding the Fourth Proportional to 1,157,515.20, 1,735,689.60 and 684,345.60

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Solution

The fourth proportional to 1,157,515.20, 1,735,689.60 and 684,345.60 is: 1,026,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,515.20 : 1,735,689.60 = 684,345.60 : x
  2. Step 2: Convert to fraction form
    1,157,515.20/1,735,689.60 = 684,345.60/x
  3. Step 3: Cross multiply
    1,157,515.20x = 1,735,689.60 × 684,345.60
  4. Step 4: Simplify right side
    1,157,515.20x = 1,187,811,540,725.76
  5. Step 5: Solve for x
    x = 1,187,811,540,725.76/1,157,515.20
  6. Step 6: Final answer
    x = 1,026,173.60

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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.