Home / 1,340,935.18-2,009,190.69-772,793.47

Finding the Fourth Proportional to 1,340,935.18, 2,009,190.69 and 772,793.47

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Solution

The fourth proportional to 1,340,935.18, 2,009,190.69 and 772,793.47 is: 1,157,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,935.18 : 2,009,190.69 = 772,793.47 : x
  2. Step 2: Convert to fraction form
    1,340,935.18/2,009,190.69 = 772,793.47/x
  3. Step 3: Cross multiply
    1,340,935.18x = 2,009,190.69 × 772,793.47
  4. Step 4: Simplify right side
    1,340,935.18x = 1,552,689,445,216.79
  5. Step 5: Solve for x
    x = 1,552,689,445,216.79/1,340,935.18
  6. Step 6: Final answer
    x = 1,157,915.36

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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.