Home / 1,292,501.16-1,783,651.60-711,722.90

Finding the Fourth Proportional to 1,292,501.16, 1,783,651.60 and 711,722.90

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Solution

The fourth proportional to 1,292,501.16, 1,783,651.60 and 711,722.90 is: 982,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,501.16 : 1,783,651.60 = 711,722.90 : x
  2. Step 2: Convert to fraction form
    1,292,501.16/1,783,651.60 = 711,722.90/x
  3. Step 3: Cross multiply
    1,292,501.16x = 1,783,651.60 × 711,722.90
  4. Step 4: Simplify right side
    1,292,501.16x = 1,269,465,690,242.15
  5. Step 5: Solve for x
    x = 1,269,465,690,242.15/1,292,501.16
  6. Step 6: Final answer
    x = 982,177.60

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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.