Finding the Fourth Proportional to 1,136,862.69, 1,569,134.28 and 749,747.98
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Solution
The fourth proportional to 1,136,862.69, 1,569,134.28 and 749,747.98 is: 1,034,826.16
Step by Step Solution
- Step 1: Write the proportion equation
1,136,862.69 : 1,569,134.28 = 749,747.98 : x - Step 2: Convert to fraction form
1,136,862.69/1,569,134.28 = 749,747.98/x - Step 3: Cross multiply
1,136,862.69x = 1,569,134.28 × 749,747.98 - Step 4: Simplify right side
1,136,862.69x = 1,176,455,256,778.75 - Step 5: Solve for x
x = 1,176,455,256,778.75/1,136,862.69 - Step 6: Final answer
x = 1,034,826.16
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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.