Home / 1,124,571.60-1,686,857.40-325,879.20

Finding the Fourth Proportional to 1,124,571.60, 1,686,857.40 and 325,879.20

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Solution

The fourth proportional to 1,124,571.60, 1,686,857.40 and 325,879.20 is: 488,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,571.60 : 1,686,857.40 = 325,879.20 : x
  2. Step 2: Convert to fraction form
    1,124,571.60/1,686,857.40 = 325,879.20/x
  3. Step 3: Cross multiply
    1,124,571.60x = 1,686,857.40 × 325,879.20
  4. Step 4: Simplify right side
    1,124,571.60x = 549,711,740,026.08
  5. Step 5: Solve for x
    x = 549,711,740,026.08/1,124,571.60
  6. Step 6: Final answer
    x = 488,818.80

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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.