Finding the Fourth Proportional to 1,272,666.74, 1,756,235.18 and 699,702.53
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Solution
The fourth proportional to 1,272,666.74, 1,756,235.18 and 699,702.53 is: 965,564.79
Step by Step Solution
- Step 1: Write the proportion equation
1,272,666.74 : 1,756,235.18 = 699,702.53 : x - Step 2: Convert to fraction form
1,272,666.74/1,756,235.18 = 699,702.53/x - Step 3: Cross multiply
1,272,666.74x = 1,756,235.18 × 699,702.53 - Step 4: Simplify right side
1,272,666.74x = 1,228,842,195,222.49 - Step 5: Solve for x
x = 1,228,842,195,222.49/1,272,666.74 - Step 6: Final answer
x = 965,564.79
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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.