Finding the Fourth Proportional to 1,225,980.24, 1,835,427.39 and 777,207.84
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Solution
The fourth proportional to 1,225,980.24, 1,835,427.39 and 777,207.84 is: 1,163,565.70
Step by Step Solution
- Step 1: Write the proportion equation
1,225,980.24 : 1,835,427.39 = 777,207.84 : x - Step 2: Convert to fraction form
1,225,980.24/1,835,427.39 = 777,207.84/x - Step 3: Cross multiply
1,225,980.24x = 1,835,427.39 × 777,207.84 - Step 4: Simplify right side
1,225,980.24x = 1,426,508,557,258.74 - Step 5: Solve for x
x = 1,426,508,557,258.74/1,225,980.24 - Step 6: Final answer
x = 1,163,565.70
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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.