Home / 1,052,509.01-1,578,749.40-253,784.21

Finding the Fourth Proportional to 1,052,509.01, 1,578,749.40 and 253,784.21

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Solution

The fourth proportional to 1,052,509.01, 1,578,749.40 and 253,784.21 is: 380,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,509.01 : 1,578,749.40 = 253,784.21 : x
  2. Step 2: Convert to fraction form
    1,052,509.01/1,578,749.40 = 253,784.21/x
  3. Step 3: Cross multiply
    1,052,509.01x = 1,578,749.40 × 253,784.21
  4. Step 4: Simplify right side
    1,052,509.01x = 400,661,661,373.23
  5. Step 5: Solve for x
    x = 400,661,661,373.23/1,052,509.01
  6. Step 6: Final answer
    x = 380,672.91

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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.