Home / 1,427,549.76-2,136,320.96-1,023,187.81

Finding the Fourth Proportional to 1,427,549.76, 2,136,320.96 and 1,023,187.81

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Solution

The fourth proportional to 1,427,549.76, 2,136,320.96 and 1,023,187.81 is: 1,531,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,549.76 : 2,136,320.96 = 1,023,187.81 : x
  2. Step 2: Convert to fraction form
    1,427,549.76/2,136,320.96 = 1,023,187.81/x
  3. Step 3: Cross multiply
    1,427,549.76x = 2,136,320.96 × 1,023,187.81
  4. Step 4: Simplify right side
    1,427,549.76x = 2,185,857,564,519.50
  5. Step 5: Solve for x
    x = 2,185,857,564,519.50/1,427,549.76
  6. Step 6: Final answer
    x = 1,531,195.36

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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.