Finding the Fourth Proportional to 1,213,257.92, 1,674,349.36 and 697,173.71
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Solution
The fourth proportional to 1,213,257.92, 1,674,349.36 and 697,173.71 is: 962,130.42
Step by Step Solution
- Step 1: Write the proportion equation
1,213,257.92 : 1,674,349.36 = 697,173.71 : x - Step 2: Convert to fraction form
1,213,257.92/1,674,349.36 = 697,173.71/x - Step 3: Cross multiply
1,213,257.92x = 1,674,349.36 × 697,173.71 - Step 4: Simplify right side
1,213,257.92x = 1,167,312,345,032.64 - Step 5: Solve for x
x = 1,167,312,345,032.64/1,213,257.92 - Step 6: Final answer
x = 962,130.42
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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.