Home / 1,005,200.80-1,507,628.40-373,789.60

Finding the Fourth Proportional to 1,005,200.80, 1,507,628.40 and 373,789.60

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Solution

The fourth proportional to 1,005,200.80, 1,507,628.40 and 373,789.60 is: 560,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,200.80 : 1,507,628.40 = 373,789.60 : x
  2. Step 2: Convert to fraction form
    1,005,200.80/1,507,628.40 = 373,789.60/x
  3. Step 3: Cross multiply
    1,005,200.80x = 1,507,628.40 × 373,789.60
  4. Step 4: Simplify right side
    1,005,200.80x = 563,535,816,584.64
  5. Step 5: Solve for x
    x = 563,535,816,584.64/1,005,200.80
  6. Step 6: Final answer
    x = 560,620.14

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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.