Finding the Fourth Proportional to 942,132.68, 1,411,418.88 and 556,731.92
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Solution
The fourth proportional to 942,132.68, 1,411,418.88 and 556,731.92 is: 834,045.95
Step by Step Solution
- Step 1: Write the proportion equation
942,132.68 : 1,411,418.88 = 556,731.92 : x - Step 2: Convert to fraction form
942,132.68/1,411,418.88 = 556,731.92/x - Step 3: Cross multiply
942,132.68x = 1,411,418.88 × 556,731.92 - Step 4: Simplify right side
942,132.68x = 785,781,942,986.65 - Step 5: Solve for x
x = 785,781,942,986.65/942,132.68 - Step 6: Final answer
x = 834,045.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.