Finding the Fourth Proportional to 1,326,460.29, 1,829,214.79 and 842,184.68
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Solution
The fourth proportional to 1,326,460.29, 1,829,214.79 and 842,184.68 is: 1,161,389.21
Step by Step Solution
- Step 1: Write the proportion equation
1,326,460.29 : 1,829,214.79 = 842,184.68 : x - Step 2: Convert to fraction form
1,326,460.29/1,829,214.79 = 842,184.68/x - Step 3: Cross multiply
1,326,460.29x = 1,829,214.79 × 842,184.68 - Step 4: Simplify right side
1,326,460.29x = 1,540,536,663,421.34 - Step 5: Solve for x
x = 1,540,536,663,421.34/1,326,460.29 - Step 6: Final answer
x = 1,161,389.21
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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.