Finding the Fourth Proportional to 1,154,881.60, 1,730,354.10 and 985,607.80
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Solution
The fourth proportional to 1,154,881.60, 1,730,354.10 and 985,607.80 is: 1,476,731.90
Step by Step Solution
- Step 1: Write the proportion equation
1,154,881.60 : 1,730,354.10 = 985,607.80 : x - Step 2: Convert to fraction form
1,154,881.60/1,730,354.10 = 985,607.80/x - Step 3: Cross multiply
1,154,881.60x = 1,730,354.10 × 985,607.80 - Step 4: Simplify right side
1,154,881.60x = 1,705,450,497,721.98 - Step 5: Solve for x
x = 1,705,450,497,721.98/1,154,881.60 - Step 6: Final answer
x = 1,476,731.90
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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.