Finding the Fourth Proportional to 1,133,719.25, 1,564,532.57 and 624,421.63
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Solution
The fourth proportional to 1,133,719.25, 1,564,532.57 and 624,421.63 is: 861,701.84
Step by Step Solution
- Step 1: Write the proportion equation
1,133,719.25 : 1,564,532.57 = 624,421.63 : x - Step 2: Convert to fraction form
1,133,719.25/1,564,532.57 = 624,421.63/x - Step 3: Cross multiply
1,133,719.25x = 1,564,532.57 × 624,421.63 - Step 4: Simplify right side
1,133,719.25x = 976,927,966,602.72 - Step 5: Solve for x
x = 976,927,966,602.72/1,133,719.25 - Step 6: Final answer
x = 861,701.84
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1.5x scale
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.