Home / 1,658,590.75-2,289,561.44-1,115,041.78

Finding the Fourth Proportional to 1,658,590.75, 2,289,561.44 and 1,115,041.78

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Solution

The fourth proportional to 1,658,590.75, 2,289,561.44 and 1,115,041.78 is: 1,539,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,590.75 : 2,289,561.44 = 1,115,041.78 : x
  2. Step 2: Convert to fraction form
    1,658,590.75/2,289,561.44 = 1,115,041.78/x
  3. Step 3: Cross multiply
    1,658,590.75x = 2,289,561.44 × 1,115,041.78
  4. Step 4: Simplify right side
    1,658,590.75x = 2,552,956,667,035.82
  5. Step 5: Solve for x
    x = 2,552,956,667,035.82/1,658,590.75
  6. Step 6: Final answer
    x = 1,539,232.43

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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.