Finding the Fourth Proportional to 1,266,675.18, 1,748,026.62 and 693,739.50
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Solution
The fourth proportional to 1,266,675.18, 1,748,026.62 and 693,739.50 is: 957,368.65
Step by Step Solution
- Step 1: Write the proportion equation
1,266,675.18 : 1,748,026.62 = 693,739.50 : x - Step 2: Convert to fraction form
1,266,675.18/1,748,026.62 = 693,739.50/x - Step 3: Cross multiply
1,266,675.18x = 1,748,026.62 × 693,739.50 - Step 4: Simplify right side
1,266,675.18x = 1,212,675,113,345.49 - Step 5: Solve for x
x = 1,212,675,113,345.49/1,266,675.18 - Step 6: Final answer
x = 957,368.65
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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.