Home / 1,275,885.02-1,759,538.61-931,174.94

Finding the Fourth Proportional to 1,275,885.02, 1,759,538.61 and 931,174.94

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Solution

The fourth proportional to 1,275,885.02, 1,759,538.61 and 931,174.94 is: 1,284,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,885.02 : 1,759,538.61 = 931,174.94 : x
  2. Step 2: Convert to fraction form
    1,275,885.02/1,759,538.61 = 931,174.94/x
  3. Step 3: Cross multiply
    1,275,885.02x = 1,759,538.61 × 931,174.94
  4. Step 4: Simplify right side
    1,275,885.02x = 1,638,438,263,993.28
  5. Step 5: Solve for x
    x = 1,638,438,263,993.28/1,275,885.02
  6. Step 6: Final answer
    x = 1,284,158.24

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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.