Finding the Fourth Proportional to 1,243,656.10, 1,864,562.55 and 843,297.70
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Solution
The fourth proportional to 1,243,656.10, 1,864,562.55 and 843,297.70 is: 1,264,321.63
Step by Step Solution
- Step 1: Write the proportion equation
1,243,656.10 : 1,864,562.55 = 843,297.70 : x - Step 2: Convert to fraction form
1,243,656.10/1,864,562.55 = 843,297.70/x - Step 3: Cross multiply
1,243,656.10x = 1,864,562.55 × 843,297.70 - Step 4: Simplify right side
1,243,656.10x = 1,572,381,309,921.14 - Step 5: Solve for x
x = 1,572,381,309,921.14/1,243,656.10 - Step 6: Final answer
x = 1,264,321.63
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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.