Finding the Fourth Proportional to 1,432,934.10, 1,977,448.97 and 788,340.44
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Solution
The fourth proportional to 1,432,934.10, 1,977,448.97 and 788,340.44 is: 1,087,909.76
Step by Step Solution
- Step 1: Write the proportion equation
1,432,934.10 : 1,977,448.97 = 788,340.44 : x - Step 2: Convert to fraction form
1,432,934.10/1,977,448.97 = 788,340.44/x - Step 3: Cross multiply
1,432,934.10x = 1,977,448.97 × 788,340.44 - Step 4: Simplify right side
1,432,934.10x = 1,558,902,998,001.82 - Step 5: Solve for x
x = 1,558,902,998,001.82/1,432,934.10 - Step 6: Final answer
x = 1,087,909.76
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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.