Finding the Fourth Proportional to 1,257,635.84, 1,886,484.71 and 458,917.18
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Solution
The fourth proportional to 1,257,635.84, 1,886,484.71 and 458,917.18 is: 688,387.06
Step by Step Solution
- Step 1: Write the proportion equation
1,257,635.84 : 1,886,484.71 = 458,917.18 : x - Step 2: Convert to fraction form
1,257,635.84/1,886,484.71 = 458,917.18/x - Step 3: Cross multiply
1,257,635.84x = 1,886,484.71 × 458,917.18 - Step 4: Simplify right side
1,257,635.84x = 865,740,239,657.40 - Step 5: Solve for x
x = 865,740,239,657.40/1,257,635.84 - Step 6: Final answer
x = 688,387.06
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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.