Finding the Fourth Proportional to 1,272,670.18, 1,756,239.98 and 699,705.95
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Solution
The fourth proportional to 1,272,670.18, 1,756,239.98 and 699,705.95 is: 965,569.53
Step by Step Solution
- Step 1: Write the proportion equation
1,272,670.18 : 1,756,239.98 = 699,705.95 : x - Step 2: Convert to fraction form
1,272,670.18/1,756,239.98 = 699,705.95/x - Step 3: Cross multiply
1,272,670.18x = 1,756,239.98 × 699,705.95 - Step 4: Simplify right side
1,272,670.18x = 1,228,851,551,354.15 - Step 5: Solve for x
x = 1,228,851,551,354.15/1,272,670.18 - Step 6: Final answer
x = 965,569.53
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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.