Home / 1,390,698-2,086,924.56-591,978.32

Finding the Fourth Proportional to 1,390,698, 2,086,924.56 and 591,978.32

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Solution

The fourth proportional to 1,390,698, 2,086,924.56 and 591,978.32 is: 888,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,698 : 2,086,924.56 = 591,978.32 : x
  2. Step 2: Convert to fraction form
    1,390,698/2,086,924.56 = 591,978.32/x
  3. Step 3: Cross multiply
    1,390,698x = 2,086,924.56 × 591,978.32
  4. Step 4: Simplify right side
    1,390,698x = 1,235,414,094,995.54
  5. Step 5: Solve for x
    x = 1,235,414,094,995.54/1,390,698
  6. Step 6: Final answer
    x = 888,341.03

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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.