Home / 876,009.40-1,314,014.10-687,052.60

Finding the Fourth Proportional to 876,009.40, 1,314,014.10 and 687,052.60

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Solution

The fourth proportional to 876,009.40, 1,314,014.10 and 687,052.60 is: 1,030,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,009.40 : 1,314,014.10 = 687,052.60 : x
  2. Step 2: Convert to fraction form
    876,009.40/1,314,014.10 = 687,052.60/x
  3. Step 3: Cross multiply
    876,009.40x = 1,314,014.10 × 687,052.60
  4. Step 4: Simplify right side
    876,009.40x = 902,796,803,841.66
  5. Step 5: Solve for x
    x = 902,796,803,841.66/876,009.40
  6. Step 6: Final answer
    x = 1,030,578.90

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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.