Home / 1,000,431.77-1,499,728.09-360,578.90

Finding the Fourth Proportional to 1,000,431.77, 1,499,728.09 and 360,578.90

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Solution

The fourth proportional to 1,000,431.77, 1,499,728.09 and 360,578.90 is: 540,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,431.77 : 1,499,728.09 = 360,578.90 : x
  2. Step 2: Convert to fraction form
    1,000,431.77/1,499,728.09 = 360,578.90/x
  3. Step 3: Cross multiply
    1,000,431.77x = 1,499,728.09 × 360,578.90
  4. Step 4: Simplify right side
    1,000,431.77x = 540,770,303,283.15
  5. Step 5: Solve for x
    x = 540,770,303,283.15/1,000,431.77
  6. Step 6: Final answer
    x = 540,536.92

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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.