Finding the Fourth Proportional to 1,402,900.74, 1,935,544.14 and 858,468.96
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Solution
The fourth proportional to 1,402,900.74, 1,935,544.14 and 858,468.96 is: 1,184,406.36
Step by Step Solution
- Step 1: Write the proportion equation
1,402,900.74 : 1,935,544.14 = 858,468.96 : x - Step 2: Convert to fraction form
1,402,900.74/1,935,544.14 = 858,468.96/x - Step 3: Cross multiply
1,402,900.74x = 1,935,544.14 × 858,468.96 - Step 4: Simplify right side
1,402,900.74x = 1,661,604,564,899.89 - Step 5: Solve for x
x = 1,661,604,564,899.89/1,402,900.74 - Step 6: Final answer
x = 1,184,406.36
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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.