Finding the Fourth Proportional to 1,249,514.52, 1,724,270.94 and 740,134.68
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Solution
The fourth proportional to 1,249,514.52, 1,724,270.94 and 740,134.68 is: 1,021,350.85
Step by Step Solution
- Step 1: Write the proportion equation
1,249,514.52 : 1,724,270.94 = 740,134.68 : x - Step 2: Convert to fraction form
1,249,514.52/1,724,270.94 = 740,134.68/x - Step 3: Cross multiply
1,249,514.52x = 1,724,270.94 × 740,134.68 - Step 4: Simplify right side
1,249,514.52x = 1,276,192,720,410.20 - Step 5: Solve for x
x = 1,276,192,720,410.20/1,249,514.52 - Step 6: Final answer
x = 1,021,350.85
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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.