Home / 1,427,779.44-2,142,323.13-618,411.38

Finding the Fourth Proportional to 1,427,779.44, 2,142,323.13 and 618,411.38

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Solution

The fourth proportional to 1,427,779.44, 2,142,323.13 and 618,411.38 is: 927,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,779.44 : 2,142,323.13 = 618,411.38 : x
  2. Step 2: Convert to fraction form
    1,427,779.44/2,142,323.13 = 618,411.38/x
  3. Step 3: Cross multiply
    1,427,779.44x = 2,142,323.13 × 618,411.38
  4. Step 4: Simplify right side
    1,427,779.44x = 1,324,836,994,836.65
  5. Step 5: Solve for x
    x = 1,324,836,994,836.65/1,427,779.44
  6. Step 6: Final answer
    x = 927,900.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.