Finding the Fourth Proportional to 1,162,206, 1,603,931.76 and 709,584.48
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Solution
The fourth proportional to 1,162,206, 1,603,931.76 and 709,584.48 is: 979,279.99
Step by Step Solution
- Step 1: Write the proportion equation
1,162,206 : 1,603,931.76 = 709,584.48 : x - Step 2: Convert to fraction form
1,162,206/1,603,931.76 = 709,584.48/x - Step 3: Cross multiply
1,162,206x = 1,603,931.76 × 709,584.48 - Step 4: Simplify right side
1,162,206x = 1,138,125,083,875.08 - Step 5: Solve for x
x = 1,138,125,083,875.08/1,162,206 - Step 6: Final answer
x = 979,279.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.