Finding the Fourth Proportional to 1,390,332.24, 2,086,286.64 and 750,627.48
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Solution
The fourth proportional to 1,390,332.24, 2,086,286.64 and 750,627.48 is: 1,126,366.81
Step by Step Solution
- Step 1: Write the proportion equation
1,390,332.24 : 2,086,286.64 = 750,627.48 : x - Step 2: Convert to fraction form
1,390,332.24/2,086,286.64 = 750,627.48/x - Step 3: Cross multiply
1,390,332.24x = 2,086,286.64 × 750,627.48 - Step 4: Simplify right side
1,390,332.24x = 1,566,024,083,140.87 - Step 5: Solve for x
x = 1,566,024,083,140.87/1,390,332.24 - Step 6: Final answer
x = 1,126,366.81
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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.