Finding the Fourth Proportional to 1,225,979.74, 1,835,426.64 and 777,207.34
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Solution
The fourth proportional to 1,225,979.74, 1,835,426.64 and 777,207.34 is: 1,163,564.95
Step by Step Solution
- Step 1: Write the proportion equation
1,225,979.74 : 1,835,426.64 = 777,207.34 : x - Step 2: Convert to fraction form
1,225,979.74/1,835,426.64 = 777,207.34/x - Step 3: Cross multiply
1,225,979.74x = 1,835,426.64 × 777,207.34 - Step 4: Simplify right side
1,225,979.74x = 1,426,507,056,639.54 - Step 5: Solve for x
x = 1,426,507,056,639.54/1,225,979.74 - Step 6: Final answer
x = 1,163,564.95
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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.