Finding the Fourth Proportional to 1,006,793.98, 1,389,407.19 and 571,229.68
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Solution
The fourth proportional to 1,006,793.98, 1,389,407.19 and 571,229.68 is: 788,314.83
Step by Step Solution
- Step 1: Write the proportion equation
1,006,793.98 : 1,389,407.19 = 571,229.68 : x - Step 2: Convert to fraction form
1,006,793.98/1,389,407.19 = 571,229.68/x - Step 3: Cross multiply
1,006,793.98x = 1,389,407.19 × 571,229.68 - Step 4: Simplify right side
1,006,793.98x = 793,670,624,533.40 - Step 5: Solve for x
x = 793,670,624,533.40/1,006,793.98 - Step 6: Final answer
x = 788,314.83
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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.