Finding the Fourth Proportional to 1,140,586.68, 1,710,102.42 and 578,537.40
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Solution
The fourth proportional to 1,140,586.68, 1,710,102.42 and 578,537.40 is: 867,411.68
Step by Step Solution
- Step 1: Write the proportion equation
1,140,586.68 : 1,710,102.42 = 578,537.40 : x - Step 2: Convert to fraction form
1,140,586.68/1,710,102.42 = 578,537.40/x - Step 3: Cross multiply
1,140,586.68x = 1,710,102.42 × 578,537.40 - Step 4: Simplify right side
1,140,586.68x = 989,358,207,800.51 - Step 5: Solve for x
x = 989,358,207,800.51/1,140,586.68 - Step 6: Final answer
x = 867,411.68
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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.