Home / 1,152,115.21-1,728,170.88-477,746.47

Finding the Fourth Proportional to 1,152,115.21, 1,728,170.88 and 477,746.47

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Solution

The fourth proportional to 1,152,115.21, 1,728,170.88 and 477,746.47 is: 716,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,115.21 : 1,728,170.88 = 477,746.47 : x
  2. Step 2: Convert to fraction form
    1,152,115.21/1,728,170.88 = 477,746.47/x
  3. Step 3: Cross multiply
    1,152,115.21x = 1,728,170.88 × 477,746.47
  4. Step 4: Simplify right side
    1,152,115.21x = 825,627,537,476.79
  5. Step 5: Solve for x
    x = 825,627,537,476.79/1,152,115.21
  6. Step 6: Final answer
    x = 716,618.90

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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.