Finding the Fourth Proportional to 1,285,492.08, 1,927,633.68 and 475,316.76
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Solution
The fourth proportional to 1,285,492.08, 1,927,633.68 and 475,316.76 is: 712,751.65
Step by Step Solution
- Step 1: Write the proportion equation
1,285,492.08 : 1,927,633.68 = 475,316.76 : x - Step 2: Convert to fraction form
1,285,492.08/1,927,633.68 = 475,316.76/x - Step 3: Cross multiply
1,285,492.08x = 1,927,633.68 × 475,316.76 - Step 4: Simplify right side
1,285,492.08x = 916,236,595,244.48 - Step 5: Solve for x
x = 916,236,595,244.48/1,285,492.08 - Step 6: Final answer
x = 712,751.65
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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.