Finding the Fourth Proportional to 1,006,792.98, 1,389,405.81 and 571,228.68
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Solution
The fourth proportional to 1,006,792.98, 1,389,405.81 and 571,228.68 is: 788,313.45
Step by Step Solution
- Step 1: Write the proportion equation
1,006,792.98 : 1,389,405.81 = 571,228.68 : x - Step 2: Convert to fraction form
1,006,792.98/1,389,405.81 = 571,228.68/x - Step 3: Cross multiply
1,006,792.98x = 1,389,405.81 × 571,228.68 - Step 4: Simplify right side
1,006,792.98x = 793,668,446,830.63 - Step 5: Solve for x
x = 793,668,446,830.63/1,006,792.98 - Step 6: Final answer
x = 788,313.45
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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.