Home / 1,000,409.89-1,500,147.73-360,629.36

Finding the Fourth Proportional to 1,000,409.89, 1,500,147.73 and 360,629.36

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Solution

The fourth proportional to 1,000,409.89, 1,500,147.73 and 360,629.36 is: 540,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,409.89 : 1,500,147.73 = 360,629.36 : x
  2. Step 2: Convert to fraction form
    1,000,409.89/1,500,147.73 = 360,629.36/x
  3. Step 3: Cross multiply
    1,000,409.89x = 1,500,147.73 × 360,629.36
  4. Step 4: Simplify right side
    1,000,409.89x = 540,997,306,471.47
  5. Step 5: Solve for x
    x = 540,997,306,471.47/1,000,409.89
  6. Step 6: Final answer
    x = 540,775.65

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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.