Home / 1,022,109.08-1,400,294.42-983,800.74

Finding the Fourth Proportional to 1,022,109.08, 1,400,294.42 and 983,800.74

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Solution

The fourth proportional to 1,022,109.08, 1,400,294.42 and 983,800.74 is: 1,347,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,109.08 : 1,400,294.42 = 983,800.74 : x
  2. Step 2: Convert to fraction form
    1,022,109.08/1,400,294.42 = 983,800.74/x
  3. Step 3: Cross multiply
    1,022,109.08x = 1,400,294.42 × 983,800.74
  4. Step 4: Simplify right side
    1,022,109.08x = 1,377,610,686,613.87
  5. Step 5: Solve for x
    x = 1,377,610,686,613.87/1,022,109.08
  6. Step 6: Final answer
    x = 1,347,811.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.