Finding the Fourth Proportional to 1,242,616.49, 1,860,935.36 and 708,518.29
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Solution
The fourth proportional to 1,242,616.49, 1,860,935.36 and 708,518.29 is: 1,061,072.94
Step by Step Solution
- Step 1: Write the proportion equation
1,242,616.49 : 1,860,935.36 = 708,518.29 : x - Step 2: Convert to fraction form
1,242,616.49/1,860,935.36 = 708,518.29/x - Step 3: Cross multiply
1,242,616.49x = 1,860,935.36 × 708,518.29 - Step 4: Simplify right side
1,242,616.49x = 1,318,506,738,347.47 - Step 5: Solve for x
x = 1,318,506,738,347.47/1,242,616.49 - Step 6: Final answer
x = 1,061,072.94
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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.