Finding the Fourth Proportional to 1,234,977.99, 1,852,207.78 and 348,306.63
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Solution
The fourth proportional to 1,234,977.99, 1,852,207.78 and 348,306.63 is: 522,386.84
Step by Step Solution
- Step 1: Write the proportion equation
1,234,977.99 : 1,852,207.78 = 348,306.63 : x - Step 2: Convert to fraction form
1,234,977.99/1,852,207.78 = 348,306.63/x - Step 3: Cross multiply
1,234,977.99x = 1,852,207.78 × 348,306.63 - Step 4: Simplify right side
1,234,977.99x = 645,136,249,911.58 - Step 5: Solve for x
x = 645,136,249,911.58/1,234,977.99 - Step 6: Final answer
x = 522,386.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.