Home / 1,458,218.80-2,185,359.90-977,078.80

Finding the Fourth Proportional to 1,458,218.80, 2,185,359.90 and 977,078.80

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Solution

The fourth proportional to 1,458,218.80, 2,185,359.90 and 977,078.80 is: 1,464,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,218.80 : 2,185,359.90 = 977,078.80 : x
  2. Step 2: Convert to fraction form
    1,458,218.80/2,185,359.90 = 977,078.80/x
  3. Step 3: Cross multiply
    1,458,218.80x = 2,185,359.90 × 977,078.80
  4. Step 4: Simplify right side
    1,458,218.80x = 2,135,268,828,660.12
  5. Step 5: Solve for x
    x = 2,135,268,828,660.12/1,458,218.80
  6. Step 6: Final answer
    x = 1,464,299.34

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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.