Home / 1,138,535.68-1,707,801.36-1,069,251.52

Finding the Fourth Proportional to 1,138,535.68, 1,707,801.36 and 1,069,251.52

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Solution

The fourth proportional to 1,138,535.68, 1,707,801.36 and 1,069,251.52 is: 1,603,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,535.68 : 1,707,801.36 = 1,069,251.52 : x
  2. Step 2: Convert to fraction form
    1,138,535.68/1,707,801.36 = 1,069,251.52/x
  3. Step 3: Cross multiply
    1,138,535.68x = 1,707,801.36 × 1,069,251.52
  4. Step 4: Simplify right side
    1,138,535.68x = 1,826,069,200,038.07
  5. Step 5: Solve for x
    x = 1,826,069,200,038.07/1,138,535.68
  6. Step 6: Final answer
    x = 1,603,875.25

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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.