Finding the Fourth Proportional to 1,078,543.68, 1,488,421.40 and 595,139.96
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Solution
The fourth proportional to 1,078,543.68, 1,488,421.40 and 595,139.96 is: 821,310.32
Step by Step Solution
- Step 1: Write the proportion equation
1,078,543.68 : 1,488,421.40 = 595,139.96 : x - Step 2: Convert to fraction form
1,078,543.68/1,488,421.40 = 595,139.96/x - Step 3: Cross multiply
1,078,543.68x = 1,488,421.40 × 595,139.96 - Step 4: Simplify right side
1,078,543.68x = 885,819,052,459.14 - Step 5: Solve for x
x = 885,819,052,459.14/1,078,543.68 - Step 6: Final answer
x = 821,310.32
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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.