Finding the Fourth Proportional to 1,092,170.99, 1,506,492.37 and 724,640.18
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Solution
The fourth proportional to 1,092,170.99, 1,506,492.37 and 724,640.18 is: 999,536.61
Step by Step Solution
- Step 1: Write the proportion equation
1,092,170.99 : 1,506,492.37 = 724,640.18 : x - Step 2: Convert to fraction form
1,092,170.99/1,506,492.37 = 724,640.18/x - Step 3: Cross multiply
1,092,170.99x = 1,506,492.37 × 724,640.18 - Step 4: Simplify right side
1,092,170.99x = 1,091,664,895,538.77 - Step 5: Solve for x
x = 1,091,664,895,538.77/1,092,170.99 - Step 6: Final answer
x = 999,536.61
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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.