Finding the Fourth Proportional to 1,139,850.09, 1,572,987.40 and 623,594.63
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Solution
The fourth proportional to 1,139,850.09, 1,572,987.40 and 623,594.63 is: 860,557.46
Step by Step Solution
- Step 1: Write the proportion equation
1,139,850.09 : 1,572,987.40 = 623,594.63 : x - Step 2: Convert to fraction form
1,139,850.09/1,572,987.40 = 623,594.63/x - Step 3: Cross multiply
1,139,850.09x = 1,572,987.40 × 623,594.63 - Step 4: Simplify right side
1,139,850.09x = 980,906,498,071.14 - Step 5: Solve for x
x = 980,906,498,071.14/1,139,850.09 - Step 6: Final answer
x = 860,557.46
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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.