Finding the Fourth Proportional to 1,070,400.15, 1,477,220.49 and 707,186.84
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Solution
The fourth proportional to 1,070,400.15, 1,477,220.49 and 707,186.84 is: 975,962.95
Step by Step Solution
- Step 1: Write the proportion equation
1,070,400.15 : 1,477,220.49 = 707,186.84 : x - Step 2: Convert to fraction form
1,070,400.15/1,477,220.49 = 707,186.84/x - Step 3: Cross multiply
1,070,400.15x = 1,477,220.49 × 707,186.84 - Step 4: Simplify right side
1,070,400.15x = 1,044,670,882,920.25 - Step 5: Solve for x
x = 1,044,670,882,920.25/1,070,400.15 - Step 6: Final answer
x = 975,962.95
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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.