Finding the Fourth Proportional to 1,232,329.16, 1,700,614.08 and 688,465.08
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Solution
The fourth proportional to 1,232,329.16, 1,700,614.08 and 688,465.08 is: 950,081.72
Step by Step Solution
- Step 1: Write the proportion equation
1,232,329.16 : 1,700,614.08 = 688,465.08 : x - Step 2: Convert to fraction form
1,232,329.16/1,700,614.08 = 688,465.08/x - Step 3: Cross multiply
1,232,329.16x = 1,700,614.08 × 688,465.08 - Step 4: Simplify right side
1,232,329.16x = 1,170,813,408,636.33 - Step 5: Solve for x
x = 1,170,813,408,636.33/1,232,329.16 - Step 6: Final answer
x = 950,081.72
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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.