Finding the Fourth Proportional to 1,115,669.89, 1,539,612.93 and 606,368.62
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Solution
The fourth proportional to 1,115,669.89, 1,539,612.93 and 606,368.62 is: 836,782.44
Step by Step Solution
- Step 1: Write the proportion equation
1,115,669.89 : 1,539,612.93 = 606,368.62 : x - Step 2: Convert to fraction form
1,115,669.89/1,539,612.93 = 606,368.62/x - Step 3: Cross multiply
1,115,669.89x = 1,539,612.93 × 606,368.62 - Step 4: Simplify right side
1,115,669.89x = 933,572,967,698.26 - Step 5: Solve for x
x = 933,572,967,698.26/1,115,669.89 - Step 6: Final answer
x = 836,782.44
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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.