Finding the Fourth Proportional to 1,138,638.29, 1,570,303.15 and 944,739.08
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Solution
The fourth proportional to 1,138,638.29, 1,570,303.15 and 944,739.08 is: 1,302,895.53
Step by Step Solution
- Step 1: Write the proportion equation
1,138,638.29 : 1,570,303.15 = 944,739.08 : x - Step 2: Convert to fraction form
1,138,638.29/1,570,303.15 = 944,739.08/x - Step 3: Cross multiply
1,138,638.29x = 1,570,303.15 × 944,739.08 - Step 4: Simplify right side
1,138,638.29x = 1,483,526,745,400.59 - Step 5: Solve for x
x = 1,483,526,745,400.59/1,138,638.29 - Step 6: Final answer
x = 1,302,895.53
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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.