Home / 1,652,667.51-2,478,129.09-515,217.69

Finding the Fourth Proportional to 1,652,667.51, 2,478,129.09 and 515,217.69

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Solution

The fourth proportional to 1,652,667.51, 2,478,129.09 and 515,217.69 is: 772,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,667.51 : 2,478,129.09 = 515,217.69 : x
  2. Step 2: Convert to fraction form
    1,652,667.51/2,478,129.09 = 515,217.69/x
  3. Step 3: Cross multiply
    1,652,667.51x = 2,478,129.09 × 515,217.69
  4. Step 4: Simplify right side
    1,652,667.51x = 1,276,775,945,271.60
  5. Step 5: Solve for x
    x = 1,276,775,945,271.60/1,652,667.51
  6. Step 6: Final answer
    x = 772,554.64

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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.