Home / 1,420,851.54-1,960,803.34-776,311.66

Finding the Fourth Proportional to 1,420,851.54, 1,960,803.34 and 776,311.66

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Solution

The fourth proportional to 1,420,851.54, 1,960,803.34 and 776,311.66 is: 1,071,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,851.54 : 1,960,803.34 = 776,311.66 : x
  2. Step 2: Convert to fraction form
    1,420,851.54/1,960,803.34 = 776,311.66/x
  3. Step 3: Cross multiply
    1,420,851.54x = 1,960,803.34 × 776,311.66
  4. Step 4: Simplify right side
    1,420,851.54x = 1,522,194,495,808.94
  5. Step 5: Solve for x
    x = 1,522,194,495,808.94/1,420,851.54
  6. Step 6: Final answer
    x = 1,071,325.51

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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.