Home / 1,069,550.64-1,604,328.12-438,351.12

Finding the Fourth Proportional to 1,069,550.64, 1,604,328.12 and 438,351.12

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Solution

The fourth proportional to 1,069,550.64, 1,604,328.12 and 438,351.12 is: 657,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,550.64 : 1,604,328.12 = 438,351.12 : x
  2. Step 2: Convert to fraction form
    1,069,550.64/1,604,328.12 = 438,351.12/x
  3. Step 3: Cross multiply
    1,069,550.64x = 1,604,328.12 × 438,351.12
  4. Step 4: Simplify right side
    1,069,550.64x = 703,259,028,249.49
  5. Step 5: Solve for x
    x = 703,259,028,249.49/1,069,550.64
  6. Step 6: Final answer
    x = 657,527.57

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Double scale
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Similar ratio
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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.