Finding the Fourth Proportional to 1,129,335.90, 1,692,508.56 and 828,407.70
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Solution
The fourth proportional to 1,129,335.90, 1,692,508.56 and 828,407.70 is: 1,241,514.70
Step by Step Solution
- Step 1: Write the proportion equation
1,129,335.90 : 1,692,508.56 = 828,407.70 : x - Step 2: Convert to fraction form
1,129,335.90/1,692,508.56 = 828,407.70/x - Step 3: Cross multiply
1,129,335.90x = 1,692,508.56 × 828,407.70 - Step 4: Simplify right side
1,129,335.90x = 1,402,087,123,419.91 - Step 5: Solve for x
x = 1,402,087,123,419.91/1,129,335.90 - Step 6: Final answer
x = 1,241,514.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.