Finding the Fourth Proportional to 1,273,089.42, 1,756,884.81 and 729,272.73
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Solution
The fourth proportional to 1,273,089.42, 1,756,884.81 and 729,272.73 is: 1,006,408.63
Step by Step Solution
- Step 1: Write the proportion equation
1,273,089.42 : 1,756,884.81 = 729,272.73 : x - Step 2: Convert to fraction form
1,273,089.42/1,756,884.81 = 729,272.73/x - Step 3: Cross multiply
1,273,089.42x = 1,756,884.81 × 729,272.73 - Step 4: Simplify right side
1,273,089.42x = 1,281,248,181,684.23 - Step 5: Solve for x
x = 1,281,248,181,684.23/1,273,089.42 - Step 6: Final answer
x = 1,006,408.63
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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.