Home / 1,803,891.31-2,705,963.28-724,403.81

Finding the Fourth Proportional to 1,803,891.31, 2,705,963.28 and 724,403.81

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Solution

The fourth proportional to 1,803,891.31, 2,705,963.28 and 724,403.81 is: 1,086,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,891.31 : 2,705,963.28 = 724,403.81 : x
  2. Step 2: Convert to fraction form
    1,803,891.31/2,705,963.28 = 724,403.81/x
  3. Step 3: Cross multiply
    1,803,891.31x = 2,705,963.28 × 724,403.81
  4. Step 4: Simplify right side
    1,803,891.31x = 1,960,210,109,752.10
  5. Step 5: Solve for x
    x = 1,960,210,109,752.10/1,803,891.31
  6. Step 6: Final answer
    x = 1,086,656.44

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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.