Home / 1,347,739.20-2,021,608.80-350,467.20

Finding the Fourth Proportional to 1,347,739.20, 2,021,608.80 and 350,467.20

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Solution

The fourth proportional to 1,347,739.20, 2,021,608.80 and 350,467.20 is: 525,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,739.20 : 2,021,608.80 = 350,467.20 : x
  2. Step 2: Convert to fraction form
    1,347,739.20/2,021,608.80 = 350,467.20/x
  3. Step 3: Cross multiply
    1,347,739.20x = 2,021,608.80 × 350,467.20
  4. Step 4: Simplify right side
    1,347,739.20x = 708,507,575,631.36
  5. Step 5: Solve for x
    x = 708,507,575,631.36/1,347,739.20
  6. Step 6: Final answer
    x = 525,700.80

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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.