Finding the Fourth Proportional to 1,031,618.84, 1,423,569.94 and 572,706.65
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Solution
The fourth proportional to 1,031,618.84, 1,423,569.94 and 572,706.65 is: 790,299.62
Step by Step Solution
- Step 1: Write the proportion equation
1,031,618.84 : 1,423,569.94 = 572,706.65 : x - Step 2: Convert to fraction form
1,031,618.84/1,423,569.94 = 572,706.65/x - Step 3: Cross multiply
1,031,618.84x = 1,423,569.94 × 572,706.65 - Step 4: Simplify right side
1,031,618.84x = 815,287,973,505.26 - Step 5: Solve for x
x = 815,287,973,505.26/1,031,618.84 - Step 6: Final answer
x = 790,299.62
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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.