Finding the Fourth Proportional to 1,417,768.94, 1,955,415.30 and 908,518.70
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Solution
The fourth proportional to 1,417,768.94, 1,955,415.30 and 908,518.70 is: 1,253,047.18
Step by Step Solution
- Step 1: Write the proportion equation
1,417,768.94 : 1,955,415.30 = 908,518.70 : x - Step 2: Convert to fraction form
1,417,768.94/1,955,415.30 = 908,518.70/x - Step 3: Cross multiply
1,417,768.94x = 1,955,415.30 × 908,518.70 - Step 4: Simplify right side
1,417,768.94x = 1,776,531,366,316.11 - Step 5: Solve for x
x = 1,776,531,366,316.11/1,417,768.94 - Step 6: Final answer
x = 1,253,047.18
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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.