Home / 1,528,903.76-2,288,365.43-1,123,988.75

Finding the Fourth Proportional to 1,528,903.76, 2,288,365.43 and 1,123,988.75

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Solution

The fourth proportional to 1,528,903.76, 2,288,365.43 and 1,123,988.75 is: 1,682,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,903.76 : 2,288,365.43 = 1,123,988.75 : x
  2. Step 2: Convert to fraction form
    1,528,903.76/2,288,365.43 = 1,123,988.75/x
  3. Step 3: Cross multiply
    1,528,903.76x = 2,288,365.43 × 1,123,988.75
  4. Step 4: Simplify right side
    1,528,903.76x = 2,572,096,999,208.91
  5. Step 5: Solve for x
    x = 2,572,096,999,208.91/1,528,903.76
  6. Step 6: Final answer
    x = 1,682,314.52

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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.