Finding the Fourth Proportional to 1,299,865.84, 1,793,210.36 and 841,128.68
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Solution
The fourth proportional to 1,299,865.84, 1,793,210.36 and 841,128.68 is: 1,160,366.41
Step by Step Solution
- Step 1: Write the proportion equation
1,299,865.84 : 1,793,210.36 = 841,128.68 : x - Step 2: Convert to fraction form
1,299,865.84/1,793,210.36 = 841,128.68/x - Step 3: Cross multiply
1,299,865.84x = 1,793,210.36 × 841,128.68 - Step 4: Simplify right side
1,299,865.84x = 1,508,320,663,069.13 - Step 5: Solve for x
x = 1,508,320,663,069.13/1,299,865.84 - Step 6: Final answer
x = 1,160,366.41
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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.