Finding the Fourth Proportional to 1,291,579.68, 1,937,371.14 and 617,502.54
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Solution
The fourth proportional to 1,291,579.68, 1,937,371.14 and 617,502.54 is: 926,254.58
Step by Step Solution
- Step 1: Write the proportion equation
1,291,579.68 : 1,937,371.14 = 617,502.54 : x - Step 2: Convert to fraction form
1,291,579.68/1,937,371.14 = 617,502.54/x - Step 3: Cross multiply
1,291,579.68x = 1,937,371.14 × 617,502.54 - Step 4: Simplify right side
1,291,579.68x = 1,196,331,599,872.70 - Step 5: Solve for x
x = 1,196,331,599,872.70/1,291,579.68 - Step 6: Final answer
x = 926,254.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.