Home / 1,673,259.36-2,309,122.85-909,313.53

Finding the Fourth Proportional to 1,673,259.36, 2,309,122.85 and 909,313.53

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Solution

The fourth proportional to 1,673,259.36, 2,309,122.85 and 909,313.53 is: 1,254,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,259.36 : 2,309,122.85 = 909,313.53 : x
  2. Step 2: Convert to fraction form
    1,673,259.36/2,309,122.85 = 909,313.53/x
  3. Step 3: Cross multiply
    1,673,259.36x = 2,309,122.85 × 909,313.53
  4. Step 4: Simplify right side
    1,673,259.36x = 2,099,716,645,390.59
  5. Step 5: Solve for x
    x = 2,099,716,645,390.59/1,673,259.36
  6. Step 6: Final answer
    x = 1,254,866.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.