Home / 876,008.40-1,314,012.60-687,051.60

Finding the Fourth Proportional to 876,008.40, 1,314,012.60 and 687,051.60

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Solution

The fourth proportional to 876,008.40, 1,314,012.60 and 687,051.60 is: 1,030,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,008.40 : 1,314,012.60 = 687,051.60 : x
  2. Step 2: Convert to fraction form
    876,008.40/1,314,012.60 = 687,051.60/x
  3. Step 3: Cross multiply
    876,008.40x = 1,314,012.60 × 687,051.60
  4. Step 4: Simplify right side
    876,008.40x = 902,794,459,250.16
  5. Step 5: Solve for x
    x = 902,794,459,250.16/876,008.40
  6. Step 6: Final answer
    x = 1,030,577.40

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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.