Finding the Fourth Proportional to 1,134,386.82, 1,565,486.62 and 625,122
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Solution
The fourth proportional to 1,134,386.82, 1,565,486.62 and 625,122 is: 862,686.44
Step by Step Solution
- Step 1: Write the proportion equation
1,134,386.82 : 1,565,486.62 = 625,122 : x - Step 2: Convert to fraction form
1,134,386.82/1,565,486.62 = 625,122/x - Step 3: Cross multiply
1,134,386.82x = 1,565,486.62 × 625,122 - Step 4: Simplify right side
1,134,386.82x = 978,620,126,867.64 - Step 5: Solve for x
x = 978,620,126,867.64/1,134,386.82 - Step 6: Final answer
x = 862,686.44
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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.