Home / 1,461,714.08-2,016,426.84-978,299.60

Finding the Fourth Proportional to 1,461,714.08, 2,016,426.84 and 978,299.60

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Solution

The fourth proportional to 1,461,714.08, 2,016,426.84 and 978,299.60 is: 1,349,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,714.08 : 2,016,426.84 = 978,299.60 : x
  2. Step 2: Convert to fraction form
    1,461,714.08/2,016,426.84 = 978,299.60/x
  3. Step 3: Cross multiply
    1,461,714.08x = 2,016,426.84 × 978,299.60
  4. Step 4: Simplify right side
    1,461,714.08x = 1,972,669,571,001.26
  5. Step 5: Solve for x
    x = 1,972,669,571,001.26/1,461,714.08
  6. Step 6: Final answer
    x = 1,349,559.12

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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.