Home / 1,664,416.38-2,296,999.07-975,837.40

Finding the Fourth Proportional to 1,664,416.38, 2,296,999.07 and 975,837.40

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Solution

The fourth proportional to 1,664,416.38, 2,296,999.07 and 975,837.40 is: 1,346,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,416.38 : 2,296,999.07 = 975,837.40 : x
  2. Step 2: Convert to fraction form
    1,664,416.38/2,296,999.07 = 975,837.40/x
  3. Step 3: Cross multiply
    1,664,416.38x = 2,296,999.07 × 975,837.40
  4. Step 4: Simplify right side
    1,664,416.38x = 2,241,497,600,271.22
  5. Step 5: Solve for x
    x = 2,241,497,600,271.22/1,664,416.38
  6. Step 6: Final answer
    x = 1,346,716.86

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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.