Finding the Fourth Proportional to 1,238,250.84, 1,857,376.68 and 817,428.36
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Solution
The fourth proportional to 1,238,250.84, 1,857,376.68 and 817,428.36 is: 1,226,142.82
Step by Step Solution
- Step 1: Write the proportion equation
1,238,250.84 : 1,857,376.68 = 817,428.36 : x - Step 2: Convert to fraction form
1,238,250.84/1,857,376.68 = 817,428.36/x - Step 3: Cross multiply
1,238,250.84x = 1,857,376.68 × 817,428.36 - Step 4: Simplify right side
1,238,250.84x = 1,518,272,373,434.64 - Step 5: Solve for x
x = 1,518,272,373,434.64/1,238,250.84 - Step 6: Final answer
x = 1,226,142.82
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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.