Finding the Fourth Proportional to 1,130,386.14, 1,559,842.38 and 646,840.44
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Solution
The fourth proportional to 1,130,386.14, 1,559,842.38 and 646,840.44 is: 892,588.02
Step by Step Solution
- Step 1: Write the proportion equation
1,130,386.14 : 1,559,842.38 = 646,840.44 : x - Step 2: Convert to fraction form
1,130,386.14/1,559,842.38 = 646,840.44/x - Step 3: Cross multiply
1,130,386.14x = 1,559,842.38 × 646,840.44 - Step 4: Simplify right side
1,130,386.14x = 1,008,969,131,409.85 - Step 5: Solve for x
x = 1,008,969,131,409.85/1,130,386.14 - Step 6: Final answer
x = 892,588.02
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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.