Finding the Fourth Proportional to 1,125,377.88, 1,553,040.72 and 695,646.96
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Solution
The fourth proportional to 1,125,377.88, 1,553,040.72 and 695,646.96 is: 960,004.70
Step by Step Solution
- Step 1: Write the proportion equation
1,125,377.88 : 1,553,040.72 = 695,646.96 : x - Step 2: Convert to fraction form
1,125,377.88/1,553,040.72 = 695,646.96/x - Step 3: Cross multiply
1,125,377.88x = 1,553,040.72 × 695,646.96 - Step 4: Simplify right side
1,125,377.88x = 1,080,368,055,624.21 - Step 5: Solve for x
x = 1,080,368,055,624.21/1,125,377.88 - Step 6: Final answer
x = 960,004.70
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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.