Finding the Fourth Proportional to 1,440,850.24, 1,988,317.12 and 829,200
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Solution
The fourth proportional to 1,440,850.24, 1,988,317.12 and 829,200 is: 1,144,263.65
Step by Step Solution
- Step 1: Write the proportion equation
1,440,850.24 : 1,988,317.12 = 829,200 : x - Step 2: Convert to fraction form
1,440,850.24/1,988,317.12 = 829,200/x - Step 3: Cross multiply
1,440,850.24x = 1,988,317.12 × 829,200 - Step 4: Simplify right side
1,440,850.24x = 1,648,712,555,904 - Step 5: Solve for x
x = 1,648,712,555,904/1,440,850.24 - Step 6: Final answer
x = 1,144,263.65
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1.5x scale
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.