Finding the Fourth Proportional to 1,340,484.80, 2,012,159.68 and 542,288.12
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Solution
The fourth proportional to 1,340,484.80, 2,012,159.68 and 542,288.12 is: 814,011.68
Step by Step Solution
- Step 1: Write the proportion equation
1,340,484.80 : 2,012,159.68 = 542,288.12 : x - Step 2: Convert to fraction form
1,340,484.80/2,012,159.68 = 542,288.12/x - Step 3: Cross multiply
1,340,484.80x = 2,012,159.68 × 542,288.12 - Step 4: Simplify right side
1,340,484.80x = 1,091,170,278,590.48 - Step 5: Solve for x
x = 1,091,170,278,590.48/1,340,484.80 - Step 6: Final answer
x = 814,011.68
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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.