Finding the Fourth Proportional to 1,122,261.13, 1,548,675.61 and 632,219.23
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Solution
The fourth proportional to 1,122,261.13, 1,548,675.61 and 632,219.23 is: 872,437.33
Step by Step Solution
- Step 1: Write the proportion equation
1,122,261.13 : 1,548,675.61 = 632,219.23 : x - Step 2: Convert to fraction form
1,122,261.13/1,548,675.61 = 632,219.23/x - Step 3: Cross multiply
1,122,261.13x = 1,548,675.61 × 632,219.23 - Step 4: Simplify right side
1,122,261.13x = 979,102,501,673.98 - Step 5: Solve for x
x = 979,102,501,673.98/1,122,261.13 - Step 6: Final answer
x = 872,437.33
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1.5x scale
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.