Finding the Fourth Proportional to 1,201,671.91, 1,658,307.11 and 657,808.07
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Solution
The fourth proportional to 1,201,671.91, 1,658,307.11 and 657,808.07 is: 907,775.06
Step by Step Solution
- Step 1: Write the proportion equation
1,201,671.91 : 1,658,307.11 = 657,808.07 : x - Step 2: Convert to fraction form
1,201,671.91/1,658,307.11 = 657,808.07/x - Step 3: Cross multiply
1,201,671.91x = 1,658,307.11 × 657,808.07 - Step 4: Simplify right side
1,201,671.91x = 1,090,847,791,615.97 - Step 5: Solve for x
x = 1,090,847,791,615.97/1,201,671.91 - Step 6: Final answer
x = 907,775.06
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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.