Home / 1,242,817.40-1,715,071.72-698,953.04

Finding the Fourth Proportional to 1,242,817.40, 1,715,071.72 and 698,953.04

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Solution

The fourth proportional to 1,242,817.40, 1,715,071.72 and 698,953.04 is: 964,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,817.40 : 1,715,071.72 = 698,953.04 : x
  2. Step 2: Convert to fraction form
    1,242,817.40/1,715,071.72 = 698,953.04/x
  3. Step 3: Cross multiply
    1,242,817.40x = 1,715,071.72 × 698,953.04
  4. Step 4: Simplify right side
    1,242,817.40x = 1,198,754,592,512.03
  5. Step 5: Solve for x
    x = 1,198,754,592,512.03/1,242,817.40
  6. Step 6: Final answer
    x = 964,546.03

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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.