Home / 1,040,370.60-1,560,231.90-409,477.80

Finding the Fourth Proportional to 1,040,370.60, 1,560,231.90 and 409,477.80

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Solution

The fourth proportional to 1,040,370.60, 1,560,231.90 and 409,477.80 is: 614,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,370.60 : 1,560,231.90 = 409,477.80 : x
  2. Step 2: Convert to fraction form
    1,040,370.60/1,560,231.90 = 409,477.80/x
  3. Step 3: Cross multiply
    1,040,370.60x = 1,560,231.90 × 409,477.80
  4. Step 4: Simplify right side
    1,040,370.60x = 638,880,325,901.82
  5. Step 5: Solve for x
    x = 638,880,325,901.82/1,040,370.60
  6. Step 6: Final answer
    x = 614,089.18

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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.