Finding the Fourth Proportional to 1,122,909.36, 1,548,543.92 and 735,146.16
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Solution
The fourth proportional to 1,122,909.36, 1,548,543.92 and 735,146.16 is: 1,013,800.54
Step by Step Solution
- Step 1: Write the proportion equation
1,122,909.36 : 1,548,543.92 = 735,146.16 : x - Step 2: Convert to fraction form
1,122,909.36/1,548,543.92 = 735,146.16/x - Step 3: Cross multiply
1,122,909.36x = 1,548,543.92 × 735,146.16 - Step 4: Simplify right side
1,122,909.36x = 1,138,406,116,379.35 - Step 5: Solve for x
x = 1,138,406,116,379.35/1,122,909.36 - Step 6: Final answer
x = 1,013,800.54
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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.