Finding the Fourth Proportional to 1,293,890.12, 1,785,575.68 and 750,348.62
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Solution
The fourth proportional to 1,293,890.12, 1,785,575.68 and 750,348.62 is: 1,035,485.34
Step by Step Solution
- Step 1: Write the proportion equation
1,293,890.12 : 1,785,575.68 = 750,348.62 : x - Step 2: Convert to fraction form
1,293,890.12/1,785,575.68 = 750,348.62/x - Step 3: Cross multiply
1,293,890.12x = 1,785,575.68 × 750,348.62 - Step 4: Simplify right side
1,293,890.12x = 1,339,804,247,393.56 - Step 5: Solve for x
x = 1,339,804,247,393.56/1,293,890.12 - Step 6: Final answer
x = 1,035,485.34
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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.