Home / 1,294,142.98-1,785,843.02-742,741.96

Finding the Fourth Proportional to 1,294,142.98, 1,785,843.02 and 742,741.96

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Solution

The fourth proportional to 1,294,142.98, 1,785,843.02 and 742,741.96 is: 1,024,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,142.98 : 1,785,843.02 = 742,741.96 : x
  2. Step 2: Convert to fraction form
    1,294,142.98/1,785,843.02 = 742,741.96/x
  3. Step 3: Cross multiply
    1,294,142.98x = 1,785,843.02 × 742,741.96
  4. Step 4: Simplify right side
    1,294,142.98x = 1,326,420,544,927.12
  5. Step 5: Solve for x
    x = 1,326,420,544,927.12/1,294,142.98
  6. Step 6: Final answer
    x = 1,024,941.27

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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.