Finding the Fourth Proportional to 1,104,118.90, 1,657,235.40 and 572,021.80
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Solution
The fourth proportional to 1,104,118.90, 1,657,235.40 and 572,021.80 is: 858,580.34
Step by Step Solution
- Step 1: Write the proportion equation
1,104,118.90 : 1,657,235.40 = 572,021.80 : x - Step 2: Convert to fraction form
1,104,118.90/1,657,235.40 = 572,021.80/x - Step 3: Cross multiply
1,104,118.90x = 1,657,235.40 × 572,021.80 - Step 4: Simplify right side
1,104,118.90x = 947,974,776,531.72 - Step 5: Solve for x
x = 947,974,776,531.72/1,104,118.90 - Step 6: Final answer
x = 858,580.34
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1.5x scale
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.