Finding the Fourth Proportional to 1,297,773.84, 1,790,750.96 and 724,740.96
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Solution
The fourth proportional to 1,297,773.84, 1,790,750.96 and 724,740.96 is: 1,000,043.71
Step by Step Solution
- Step 1: Write the proportion equation
1,297,773.84 : 1,790,750.96 = 724,740.96 : x - Step 2: Convert to fraction form
1,297,773.84/1,790,750.96 = 724,740.96/x - Step 3: Cross multiply
1,297,773.84x = 1,790,750.96 × 724,740.96 - Step 4: Simplify right side
1,297,773.84x = 1,297,830,569,871.32 - Step 5: Solve for x
x = 1,297,830,569,871.32/1,297,773.84 - Step 6: Final answer
x = 1,000,043.71
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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.