Finding the Fourth Proportional to 1,236,742.38, 1,706,317.11 and 692,804.70
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Solution
The fourth proportional to 1,236,742.38, 1,706,317.11 and 692,804.70 is: 955,853.48
Step by Step Solution
- Step 1: Write the proportion equation
1,236,742.38 : 1,706,317.11 = 692,804.70 : x - Step 2: Convert to fraction form
1,236,742.38/1,706,317.11 = 692,804.70/x - Step 3: Cross multiply
1,236,742.38x = 1,706,317.11 × 692,804.70 - Step 4: Simplify right side
1,236,742.38x = 1,182,144,513,498.42 - Step 5: Solve for x
x = 1,182,144,513,498.42/1,236,742.38 - Step 6: Final answer
x = 955,853.48
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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.