Home / 1,296,877.14-1,789,683.48-753,146.46

Finding the Fourth Proportional to 1,296,877.14, 1,789,683.48 and 753,146.46

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Solution

The fourth proportional to 1,296,877.14, 1,789,683.48 and 753,146.46 is: 1,039,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,877.14 : 1,789,683.48 = 753,146.46 : x
  2. Step 2: Convert to fraction form
    1,296,877.14/1,789,683.48 = 753,146.46/x
  3. Step 3: Cross multiply
    1,296,877.14x = 1,789,683.48 × 753,146.46
  4. Step 4: Simplify right side
    1,296,877.14x = 1,347,893,777,482.48
  5. Step 5: Solve for x
    x = 1,347,893,777,482.48/1,296,877.14
  6. Step 6: Final answer
    x = 1,039,338.07

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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.