Home / 1,190,276.40-1,785,064.14-649,912.44

Finding the Fourth Proportional to 1,190,276.40, 1,785,064.14 and 649,912.44

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Solution

The fourth proportional to 1,190,276.40, 1,785,064.14 and 649,912.44 is: 974,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,276.40 : 1,785,064.14 = 649,912.44 : x
  2. Step 2: Convert to fraction form
    1,190,276.40/1,785,064.14 = 649,912.44/x
  3. Step 3: Cross multiply
    1,190,276.40x = 1,785,064.14 × 649,912.44
  4. Step 4: Simplify right side
    1,190,276.40x = 1,160,135,390,783.90
  5. Step 5: Solve for x
    x = 1,160,135,390,783.90/1,190,276.40
  6. Step 6: Final answer
    x = 974,677.30

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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.