Home / 1,670,406.30-2,305,160.72-906,459.87

Finding the Fourth Proportional to 1,670,406.30, 2,305,160.72 and 906,459.87

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Solution

The fourth proportional to 1,670,406.30, 2,305,160.72 and 906,459.87 is: 1,250,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,406.30 : 2,305,160.72 = 906,459.87 : x
  2. Step 2: Convert to fraction form
    1,670,406.30/2,305,160.72 = 906,459.87/x
  3. Step 3: Cross multiply
    1,670,406.30x = 2,305,160.72 × 906,459.87
  4. Step 4: Simplify right side
    1,670,406.30x = 2,089,535,686,580.31
  5. Step 5: Solve for x
    x = 2,089,535,686,580.31/1,670,406.30
  6. Step 6: Final answer
    x = 1,250,914.63

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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.