Home / 1,533,431.90-2,116,150.03-845,128.33

Finding the Fourth Proportional to 1,533,431.90, 2,116,150.03 and 845,128.33

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Solution

The fourth proportional to 1,533,431.90, 2,116,150.03 and 845,128.33 is: 1,166,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,431.90 : 2,116,150.03 = 845,128.33 : x
  2. Step 2: Convert to fraction form
    1,533,431.90/2,116,150.03 = 845,128.33/x
  3. Step 3: Cross multiply
    1,533,431.90x = 2,116,150.03 × 845,128.33
  4. Step 4: Simplify right side
    1,533,431.90x = 1,788,418,330,302.60
  5. Step 5: Solve for x
    x = 1,788,418,330,302.60/1,533,431.90
  6. Step 6: Final answer
    x = 1,166,284.81

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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.