Finding the Fourth Proportional to 1,045,349.94, 1,442,408.04 and 615,715.62
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Solution
The fourth proportional to 1,045,349.94, 1,442,408.04 and 615,715.62 is: 849,584.55
Step by Step Solution
- Step 1: Write the proportion equation
1,045,349.94 : 1,442,408.04 = 615,715.62 : x - Step 2: Convert to fraction form
1,045,349.94/1,442,408.04 = 615,715.62/x - Step 3: Cross multiply
1,045,349.94x = 1,442,408.04 × 615,715.62 - Step 4: Simplify right side
1,045,349.94x = 888,113,160,641.59 - Step 5: Solve for x
x = 888,113,160,641.59/1,045,349.94 - Step 6: Final answer
x = 849,584.55
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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.