Finding the Fourth Proportional to 1,122,720.84, 1,549,336.68 and 613,412.28
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Solution
The fourth proportional to 1,122,720.84, 1,549,336.68 and 613,412.28 is: 846,499.07
Step by Step Solution
- Step 1: Write the proportion equation
1,122,720.84 : 1,549,336.68 = 613,412.28 : x - Step 2: Convert to fraction form
1,122,720.84/1,549,336.68 = 613,412.28/x - Step 3: Cross multiply
1,122,720.84x = 1,549,336.68 × 613,412.28 - Step 4: Simplify right side
1,122,720.84x = 950,382,145,366.43 - Step 5: Solve for x
x = 950,382,145,366.43/1,122,720.84 - Step 6: Final answer
x = 846,499.07
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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.