Finding the Fourth Proportional to 1,220,715.84, 1,684,579.68 and 676,851.96
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Solution
The fourth proportional to 1,220,715.84, 1,684,579.68 and 676,851.96 is: 934,051.17
Step by Step Solution
- Step 1: Write the proportion equation
1,220,715.84 : 1,684,579.68 = 676,851.96 : x - Step 2: Convert to fraction form
1,220,715.84/1,684,579.68 = 676,851.96/x - Step 3: Cross multiply
1,220,715.84x = 1,684,579.68 × 676,851.96 - Step 4: Simplify right side
1,220,715.84x = 1,140,211,058,184.17 - Step 5: Solve for x
x = 1,140,211,058,184.17/1,220,715.84 - Step 6: Final answer
x = 934,051.17
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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.