Finding the Fourth Proportional to 1,369,718.08, 1,890,266.65 and 757,860.88
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Solution
The fourth proportional to 1,369,718.08, 1,890,266.65 and 757,860.88 is: 1,045,878.83
Step by Step Solution
- Step 1: Write the proportion equation
1,369,718.08 : 1,890,266.65 = 757,860.88 : x - Step 2: Convert to fraction form
1,369,718.08/1,890,266.65 = 757,860.88/x - Step 3: Cross multiply
1,369,718.08x = 1,890,266.65 × 757,860.88 - Step 4: Simplify right side
1,369,718.08x = 1,432,559,146,803.65 - Step 5: Solve for x
x = 1,432,559,146,803.65/1,369,718.08 - Step 6: Final answer
x = 1,045,878.83
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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.