Home / 1,528,903.26-2,288,364.68-1,123,988.25

Finding the Fourth Proportional to 1,528,903.26, 2,288,364.68 and 1,123,988.25

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Solution

The fourth proportional to 1,528,903.26, 2,288,364.68 and 1,123,988.25 is: 1,682,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,903.26 : 2,288,364.68 = 1,123,988.25 : x
  2. Step 2: Convert to fraction form
    1,528,903.26/2,288,364.68 = 1,123,988.25/x
  3. Step 3: Cross multiply
    1,528,903.26x = 2,288,364.68 × 1,123,988.25
  4. Step 4: Simplify right side
    1,528,903.26x = 2,572,095,012,035.01
  5. Step 5: Solve for x
    x = 2,572,095,012,035.01/1,528,903.26
  6. Step 6: Final answer
    x = 1,682,313.77

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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.