Home / 1,189,325.80-1,783,988.70-834,740.20

Finding the Fourth Proportional to 1,189,325.80, 1,783,988.70 and 834,740.20

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Solution

The fourth proportional to 1,189,325.80, 1,783,988.70 and 834,740.20 is: 1,252,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,325.80 : 1,783,988.70 = 834,740.20 : x
  2. Step 2: Convert to fraction form
    1,189,325.80/1,783,988.70 = 834,740.20/x
  3. Step 3: Cross multiply
    1,189,325.80x = 1,783,988.70 × 834,740.20
  4. Step 4: Simplify right side
    1,189,325.80x = 1,489,167,084,235.74
  5. Step 5: Solve for x
    x = 1,489,167,084,235.74/1,189,325.80
  6. Step 6: Final answer
    x = 1,252,110.30

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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.