Finding the Fourth Proportional to 1,276,777.08, 1,762,076.63 and 953,926.67
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Solution
The fourth proportional to 1,276,777.08, 1,762,076.63 and 953,926.67 is: 1,316,511.65
Step by Step Solution
- Step 1: Write the proportion equation
1,276,777.08 : 1,762,076.63 = 953,926.67 : x - Step 2: Convert to fraction form
1,276,777.08/1,762,076.63 = 953,926.67/x - Step 3: Cross multiply
1,276,777.08x = 1,762,076.63 × 953,926.67 - Step 4: Simplify right side
1,276,777.08x = 1,680,891,898,730.73 - Step 5: Solve for x
x = 1,680,891,898,730.73/1,276,777.08 - Step 6: Final answer
x = 1,316,511.65
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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.