Finding the Fourth Proportional to 1,046,484, 1,569,960 and 381,636
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Solution
The fourth proportional to 1,046,484, 1,569,960 and 381,636 is: 572,539.34
Step by Step Solution
- Step 1: Write the proportion equation
1,046,484 : 1,569,960 = 381,636 : x - Step 2: Convert to fraction form
1,046,484/1,569,960 = 381,636/x - Step 3: Cross multiply
1,046,484x = 1,569,960 × 381,636 - Step 4: Simplify right side
1,046,484x = 599,153,254,560 - Step 5: Solve for x
x = 599,153,254,560/1,046,484 - Step 6: Final answer
x = 572,539.34
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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.