Finding the Fourth Proportional to 1,298,246.24, 1,791,544.74 and 709,522.40
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Solution
The fourth proportional to 1,298,246.24, 1,791,544.74 and 709,522.40 is: 979,121.74
Step by Step Solution
- Step 1: Write the proportion equation
1,298,246.24 : 1,791,544.74 = 709,522.40 : x - Step 2: Convert to fraction form
1,298,246.24/1,791,544.74 = 709,522.40/x - Step 3: Cross multiply
1,298,246.24x = 1,791,544.74 × 709,522.40 - Step 4: Simplify right side
1,298,246.24x = 1,271,141,123,632.18 - Step 5: Solve for x
x = 1,271,141,123,632.18/1,298,246.24 - Step 6: Final answer
x = 979,121.74
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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.