Finding the Fourth Proportional to 1,137,070.34, 1,569,158.12 and 627,772.76
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Solution
The fourth proportional to 1,137,070.34, 1,569,158.12 and 627,772.76 is: 866,326.99
Step by Step Solution
- Step 1: Write the proportion equation
1,137,070.34 : 1,569,158.12 = 627,772.76 : x - Step 2: Convert to fraction form
1,137,070.34/1,569,158.12 = 627,772.76/x - Step 3: Cross multiply
1,137,070.34x = 1,569,158.12 × 627,772.76 - Step 4: Simplify right side
1,137,070.34x = 985,074,723,868.81 - Step 5: Solve for x
x = 985,074,723,868.81/1,137,070.34 - Step 6: Final answer
x = 866,326.99
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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.