Home / 1,100,415.60-1,648,655.10-942,951.60

Finding the Fourth Proportional to 1,100,415.60, 1,648,655.10 and 942,951.60

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Solution

The fourth proportional to 1,100,415.60, 1,648,655.10 and 942,951.60 is: 1,412,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,415.60 : 1,648,655.10 = 942,951.60 : x
  2. Step 2: Convert to fraction form
    1,100,415.60/1,648,655.10 = 942,951.60/x
  3. Step 3: Cross multiply
    1,100,415.60x = 1,648,655.10 × 942,951.60
  4. Step 4: Simplify right side
    1,100,415.60x = 1,554,601,964,393.16
  5. Step 5: Solve for x
    x = 1,554,601,964,393.16/1,100,415.60
  6. Step 6: Final answer
    x = 1,412,740.75

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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.