Finding the Fourth Proportional to 1,115,706.72, 1,539,679.84 and 606,408
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Solution
The fourth proportional to 1,115,706.72, 1,539,679.84 and 606,408 is: 836,845.52
Step by Step Solution
- Step 1: Write the proportion equation
1,115,706.72 : 1,539,679.84 = 606,408 : x - Step 2: Convert to fraction form
1,115,706.72/1,539,679.84 = 606,408/x - Step 3: Cross multiply
1,115,706.72x = 1,539,679.84 × 606,408 - Step 4: Simplify right side
1,115,706.72x = 933,674,172,414.72 - Step 5: Solve for x
x = 933,674,172,414.72/1,115,706.72 - Step 6: Final answer
x = 836,845.52
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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.