Finding the Fourth Proportional to 1,118,656.68, 1,543,748.82 and 609,348.12
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Solution
The fourth proportional to 1,118,656.68, 1,543,748.82 and 609,348.12 is: 840,901.82
Step by Step Solution
- Step 1: Write the proportion equation
1,118,656.68 : 1,543,748.82 = 609,348.12 : x - Step 2: Convert to fraction form
1,118,656.68/1,543,748.82 = 609,348.12/x - Step 3: Cross multiply
1,118,656.68x = 1,543,748.82 × 609,348.12 - Step 4: Simplify right side
1,118,656.68x = 940,680,441,219.22 - Step 5: Solve for x
x = 940,680,441,219.22/1,118,656.68 - Step 6: Final answer
x = 840,901.82
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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.