Finding the Fourth Proportional to 1,248,930.96, 1,723,566.44 and 765,402.67
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Solution
The fourth proportional to 1,248,930.96, 1,723,566.44 and 765,402.67 is: 1,056,281.25
Step by Step Solution
- Step 1: Write the proportion equation
1,248,930.96 : 1,723,566.44 = 765,402.67 : x - Step 2: Convert to fraction form
1,248,930.96/1,723,566.44 = 765,402.67/x - Step 3: Cross multiply
1,248,930.96x = 1,723,566.44 × 765,402.67 - Step 4: Simplify right side
1,248,930.96x = 1,319,222,355,098.39 - Step 5: Solve for x
x = 1,319,222,355,098.39/1,248,930.96 - Step 6: Final answer
x = 1,056,281.25
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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.