Home / 1,075,028.20-1,612,545.64-265,412.72

Finding the Fourth Proportional to 1,075,028.20, 1,612,545.64 and 265,412.72

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Solution

The fourth proportional to 1,075,028.20, 1,612,545.64 and 265,412.72 is: 398,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,028.20 : 1,612,545.64 = 265,412.72 : x
  2. Step 2: Convert to fraction form
    1,075,028.20/1,612,545.64 = 265,412.72/x
  3. Step 3: Cross multiply
    1,075,028.20x = 1,612,545.64 × 265,412.72
  4. Step 4: Simplify right side
    1,075,028.20x = 427,990,124,436.54
  5. Step 5: Solve for x
    x = 427,990,124,436.54/1,075,028.20
  6. Step 6: Final answer
    x = 398,119.90

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1.5x scale

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.