Home / 849,439.68-1,272,664.81-798,869.76

Finding the Fourth Proportional to 849,439.68, 1,272,664.81 and 798,869.76

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Solution

The fourth proportional to 849,439.68, 1,272,664.81 and 798,869.76 is: 1,196,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,439.68 : 1,272,664.81 = 798,869.76 : x
  2. Step 2: Convert to fraction form
    849,439.68/1,272,664.81 = 798,869.76/x
  3. Step 3: Cross multiply
    849,439.68x = 1,272,664.81 × 798,869.76
  4. Step 4: Simplify right side
    849,439.68x = 1,016,693,431,325.15
  5. Step 5: Solve for x
    x = 1,016,693,431,325.15/849,439.68
  6. Step 6: Final answer
    x = 1,196,898.91

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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.