Finding the Fourth Proportional to 1,148,460.33, 1,584,875.26 and 639,282.99
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Solution
The fourth proportional to 1,148,460.33, 1,584,875.26 and 639,282.99 is: 882,210.53
Step by Step Solution
- Step 1: Write the proportion equation
1,148,460.33 : 1,584,875.26 = 639,282.99 : x - Step 2: Convert to fraction form
1,148,460.33/1,584,875.26 = 639,282.99/x - Step 3: Cross multiply
1,148,460.33x = 1,584,875.26 × 639,282.99 - Step 4: Simplify right side
1,148,460.33x = 1,013,183,789,221.32 - Step 5: Solve for x
x = 1,013,183,789,221.32/1,148,460.33 - Step 6: Final answer
x = 882,210.53
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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.