Finding the Fourth Proportional to 1,117,368.01, 1,542,002.84 and 633,953.53
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Solution
The fourth proportional to 1,117,368.01, 1,542,002.84 and 633,953.53 is: 874,875.72
Step by Step Solution
- Step 1: Write the proportion equation
1,117,368.01 : 1,542,002.84 = 633,953.53 : x - Step 2: Convert to fraction form
1,117,368.01/1,542,002.84 = 633,953.53/x - Step 3: Cross multiply
1,117,368.01x = 1,542,002.84 × 633,953.53 - Step 4: Simplify right side
1,117,368.01x = 977,558,143,688.03 - Step 5: Solve for x
x = 977,558,143,688.03/1,117,368.01 - Step 6: Final answer
x = 874,875.72
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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.