Finding the Fourth Proportional to 1,411,948.21, 1,948,501.43 and 767,370.06
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Solution
The fourth proportional to 1,411,948.21, 1,948,501.43 and 767,370.06 is: 1,058,977.69
Step by Step Solution
- Step 1: Write the proportion equation
1,411,948.21 : 1,948,501.43 = 767,370.06 : x - Step 2: Convert to fraction form
1,411,948.21/1,948,501.43 = 767,370.06/x - Step 3: Cross multiply
1,411,948.21x = 1,948,501.43 × 767,370.06 - Step 4: Simplify right side
1,411,948.21x = 1,495,221,659,249.19 - Step 5: Solve for x
x = 1,495,221,659,249.19/1,411,948.21 - Step 6: Final answer
x = 1,058,977.69
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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.