Finding the Fourth Proportional to 1,429,253.36, 1,972,373.07 and 784,715.09
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Solution
The fourth proportional to 1,429,253.36, 1,972,373.07 and 784,715.09 is: 1,082,908.71
Step by Step Solution
- Step 1: Write the proportion equation
1,429,253.36 : 1,972,373.07 = 784,715.09 : x - Step 2: Convert to fraction form
1,429,253.36/1,972,373.07 = 784,715.09/x - Step 3: Cross multiply
1,429,253.36x = 1,972,373.07 × 784,715.09 - Step 4: Simplify right side
1,429,253.36x = 1,547,750,911,138.63 - Step 5: Solve for x
x = 1,547,750,911,138.63/1,429,253.36 - Step 6: Final answer
x = 1,082,908.71
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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.