Home / 1,313,779.91-1,813,013.28-740,815.98

Finding the Fourth Proportional to 1,313,779.91, 1,813,013.28 and 740,815.98

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Solution

The fourth proportional to 1,313,779.91, 1,813,013.28 and 740,815.98 is: 1,022,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,779.91 : 1,813,013.28 = 740,815.98 : x
  2. Step 2: Convert to fraction form
    1,313,779.91/1,813,013.28 = 740,815.98/x
  3. Step 3: Cross multiply
    1,313,779.91x = 1,813,013.28 × 740,815.98
  4. Step 4: Simplify right side
    1,313,779.91x = 1,343,109,202,977.41
  5. Step 5: Solve for x
    x = 1,343,109,202,977.41/1,313,779.91
  6. Step 6: Final answer
    x = 1,022,324.36

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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.