Home / 1,557,458.41-2,149,288.59-869,122.93

Finding the Fourth Proportional to 1,557,458.41, 2,149,288.59 and 869,122.93

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Solution

The fourth proportional to 1,557,458.41, 2,149,288.59 and 869,122.93 is: 1,199,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,458.41 : 2,149,288.59 = 869,122.93 : x
  2. Step 2: Convert to fraction form
    1,557,458.41/2,149,288.59 = 869,122.93/x
  3. Step 3: Cross multiply
    1,557,458.41x = 2,149,288.59 × 869,122.93
  4. Step 4: Simplify right side
    1,557,458.41x = 1,867,995,996,756.37
  5. Step 5: Solve for x
    x = 1,867,995,996,756.37/1,557,458.41
  6. Step 6: Final answer
    x = 1,199,387.40

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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.