Home / 1,865,912.70-2,575,754.02-1,254,420.12

Finding the Fourth Proportional to 1,865,912.70, 2,575,754.02 and 1,254,420.12

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Solution

The fourth proportional to 1,865,912.70, 2,575,754.02 and 1,254,420.12 is: 1,731,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,912.70 : 2,575,754.02 = 1,254,420.12 : x
  2. Step 2: Convert to fraction form
    1,865,912.70/2,575,754.02 = 1,254,420.12/x
  3. Step 3: Cross multiply
    1,865,912.70x = 2,575,754.02 × 1,254,420.12
  4. Step 4: Simplify right side
    1,865,912.70x = 3,231,077,666,858.88
  5. Step 5: Solve for x
    x = 3,231,077,666,858.88/1,865,912.70
  6. Step 6: Final answer
    x = 1,731,633.89

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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.