Finding the Fourth Proportional to 1,026,219.70, 1,539,329.55 and 648,306.10
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Solution
The fourth proportional to 1,026,219.70, 1,539,329.55 and 648,306.10 is: 972,459.15
Step by Step Solution
- Step 1: Write the proportion equation
1,026,219.70 : 1,539,329.55 = 648,306.10 : x - Step 2: Convert to fraction form
1,026,219.70/1,539,329.55 = 648,306.10/x - Step 3: Cross multiply
1,026,219.70x = 1,539,329.55 × 648,306.10 - Step 4: Simplify right side
1,026,219.70x = 997,956,737,175.26 - Step 5: Solve for x
x = 997,956,737,175.26/1,026,219.70 - Step 6: Final answer
x = 972,459.15
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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.