Finding the Fourth Proportional to 1,275,373.98, 1,759,885.85 and 785,265.66
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Solution
The fourth proportional to 1,275,373.98, 1,759,885.85 and 785,265.66 is: 1,083,586.42
Step by Step Solution
- Step 1: Write the proportion equation
1,275,373.98 : 1,759,885.85 = 785,265.66 : x - Step 2: Convert to fraction form
1,275,373.98/1,759,885.85 = 785,265.66/x - Step 3: Cross multiply
1,275,373.98x = 1,759,885.85 × 785,265.66 - Step 4: Simplify right side
1,275,373.98x = 1,381,977,925,488.08 - Step 5: Solve for x
x = 1,381,977,925,488.08/1,275,373.98 - Step 6: Final answer
x = 1,083,586.42
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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.