Home / 1,279,631.89-1,765,080.96-973,036.12

Finding the Fourth Proportional to 1,279,631.89, 1,765,080.96 and 973,036.12

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Solution

The fourth proportional to 1,279,631.89, 1,765,080.96 and 973,036.12 is: 1,342,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,631.89 : 1,765,080.96 = 973,036.12 : x
  2. Step 2: Convert to fraction form
    1,279,631.89/1,765,080.96 = 973,036.12/x
  3. Step 3: Cross multiply
    1,279,631.89x = 1,765,080.96 × 973,036.12
  4. Step 4: Simplify right side
    1,279,631.89x = 1,717,487,528,804.28
  5. Step 5: Solve for x
    x = 1,717,487,528,804.28/1,279,631.89
  6. Step 6: Final answer
    x = 1,342,173.13

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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.