Home / 1,808,807.76-2,712,278.52-743,651.28

Finding the Fourth Proportional to 1,808,807.76, 2,712,278.52 and 743,651.28

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Solution

The fourth proportional to 1,808,807.76, 2,712,278.52 and 743,651.28 is: 1,115,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,807.76 : 2,712,278.52 = 743,651.28 : x
  2. Step 2: Convert to fraction form
    1,808,807.76/2,712,278.52 = 743,651.28/x
  3. Step 3: Cross multiply
    1,808,807.76x = 2,712,278.52 × 743,651.28
  4. Step 4: Simplify right side
    1,808,807.76x = 2,016,989,393,114.51
  5. Step 5: Solve for x
    x = 2,016,989,393,114.51/1,808,807.76
  6. Step 6: Final answer
    x = 1,115,093.29

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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.