Finding the Fourth Proportional to 1,259,346.08, 1,737,898.23 and 715,482.81
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Solution
The fourth proportional to 1,259,346.08, 1,737,898.23 and 715,482.81 is: 987,366.65
Step by Step Solution
- Step 1: Write the proportion equation
1,259,346.08 : 1,737,898.23 = 715,482.81 : x - Step 2: Convert to fraction form
1,259,346.08/1,737,898.23 = 715,482.81/x - Step 3: Cross multiply
1,259,346.08x = 1,737,898.23 × 715,482.81 - Step 4: Simplify right side
1,259,346.08x = 1,243,436,309,094.43 - Step 5: Solve for x
x = 1,243,436,309,094.43/1,259,346.08 - Step 6: Final answer
x = 987,366.65
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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.