Finding the Fourth Proportional to 1,361,462.09, 1,878,802.24 and 749,602.35
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Solution
The fourth proportional to 1,361,462.09, 1,878,802.24 and 749,602.35 is: 1,034,442.74
Step by Step Solution
- Step 1: Write the proportion equation
1,361,462.09 : 1,878,802.24 = 749,602.35 : x - Step 2: Convert to fraction form
1,361,462.09/1,878,802.24 = 749,602.35/x - Step 3: Cross multiply
1,361,462.09x = 1,878,802.24 × 749,602.35 - Step 4: Simplify right side
1,361,462.09x = 1,408,354,574,289.26 - Step 5: Solve for x
x = 1,408,354,574,289.26/1,361,462.09 - Step 6: Final answer
x = 1,034,442.74
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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.