Finding the Fourth Proportional to 837,739.05, 1,247,132.97 and 832,756.74
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Solution
The fourth proportional to 837,739.05, 1,247,132.97 and 832,756.74 is: 1,239,715.86
Step by Step Solution
- Step 1: Write the proportion equation
837,739.05 : 1,247,132.97 = 832,756.74 : x - Step 2: Convert to fraction form
837,739.05/1,247,132.97 = 832,756.74/x - Step 3: Cross multiply
837,739.05x = 1,247,132.97 × 832,756.74 - Step 4: Simplify right side
837,739.05x = 1,038,558,386,443.72 - Step 5: Solve for x
x = 1,038,558,386,443.72/837,739.05 - Step 6: Final answer
x = 1,239,715.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.