Finding the Fourth Proportional to 1,272,731.24, 1,756,376.04 and 749,464.56
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Solution
The fourth proportional to 1,272,731.24, 1,756,376.04 and 749,464.56 is: 1,034,265.17
Step by Step Solution
- Step 1: Write the proportion equation
1,272,731.24 : 1,756,376.04 = 749,464.56 : x - Step 2: Convert to fraction form
1,272,731.24/1,756,376.04 = 749,464.56/x - Step 3: Cross multiply
1,272,731.24x = 1,756,376.04 × 749,464.56 - Step 4: Simplify right side
1,272,731.24x = 1,316,341,596,013.14 - Step 5: Solve for x
x = 1,316,341,596,013.14/1,272,731.24 - Step 6: Final answer
x = 1,034,265.17
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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.