Home / 1,296,012.28-1,788,498.06-723,052.54

Finding the Fourth Proportional to 1,296,012.28, 1,788,498.06 and 723,052.54

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Solution

The fourth proportional to 1,296,012.28, 1,788,498.06 and 723,052.54 is: 997,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,012.28 : 1,788,498.06 = 723,052.54 : x
  2. Step 2: Convert to fraction form
    1,296,012.28/1,788,498.06 = 723,052.54/x
  3. Step 3: Cross multiply
    1,296,012.28x = 1,788,498.06 × 723,052.54
  4. Step 4: Simplify right side
    1,296,012.28x = 1,293,178,065,068.07
  5. Step 5: Solve for x
    x = 1,293,178,065,068.07/1,296,012.28
  6. Step 6: Final answer
    x = 997,813.13

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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.