Finding the Fourth Proportional to 1,281,272.58, 1,768,245.39 and 708,366.06
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Solution
The fourth proportional to 1,281,272.58, 1,768,245.39 and 708,366.06 is: 977,594.49
Step by Step Solution
- Step 1: Write the proportion equation
1,281,272.58 : 1,768,245.39 = 708,366.06 : x - Step 2: Convert to fraction form
1,281,272.58/1,768,245.39 = 708,366.06/x - Step 3: Cross multiply
1,281,272.58x = 1,768,245.39 × 708,366.06 - Step 4: Simplify right side
1,281,272.58x = 1,252,565,020,027.46 - Step 5: Solve for x
x = 1,252,565,020,027.46/1,281,272.58 - Step 6: Final answer
x = 977,594.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.