Finding the Fourth Proportional to 1,219,014.68, 1,682,257.76 and 702,758.76
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Solution
The fourth proportional to 1,219,014.68, 1,682,257.76 and 702,758.76 is: 969,817.18
Step by Step Solution
- Step 1: Write the proportion equation
1,219,014.68 : 1,682,257.76 = 702,758.76 : x - Step 2: Convert to fraction form
1,219,014.68/1,682,257.76 = 702,758.76/x - Step 3: Cross multiply
1,219,014.68x = 1,682,257.76 × 702,758.76 - Step 4: Simplify right side
1,219,014.68x = 1,182,221,377,417.98 - Step 5: Solve for x
x = 1,182,221,377,417.98/1,219,014.68 - Step 6: Final answer
x = 969,817.18
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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.