Home / 787,390.40-1,181,085.60-734,513.60

Finding the Fourth Proportional to 787,390.40, 1,181,085.60 and 734,513.60

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Solution

The fourth proportional to 787,390.40, 1,181,085.60 and 734,513.60 is: 1,101,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,390.40 : 1,181,085.60 = 734,513.60 : x
  2. Step 2: Convert to fraction form
    787,390.40/1,181,085.60 = 734,513.60/x
  3. Step 3: Cross multiply
    787,390.40x = 1,181,085.60 × 734,513.60
  4. Step 4: Simplify right side
    787,390.40x = 867,523,435,964.16
  5. Step 5: Solve for x
    x = 867,523,435,964.16/787,390.40
  6. Step 6: Final answer
    x = 1,101,770.40

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1.5x scale

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.