Finding the Fourth Proportional to 1,422,851.05, 2,133,328.52 and 783,455.88
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Solution
The fourth proportional to 1,422,851.05, 2,133,328.52 and 783,455.88 is: 1,174,661.80
Step by Step Solution
- Step 1: Write the proportion equation
1,422,851.05 : 2,133,328.52 = 783,455.88 : x - Step 2: Convert to fraction form
1,422,851.05/2,133,328.52 = 783,455.88/x - Step 3: Cross multiply
1,422,851.05x = 2,133,328.52 × 783,455.88 - Step 4: Simplify right side
1,422,851.05x = 1,671,368,769,048.42 - Step 5: Solve for x
x = 1,671,368,769,048.42/1,422,851.05 - Step 6: Final answer
x = 1,174,661.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.