Finding the Fourth Proportional to 1,234,923.84, 1,855,486.44 and 785,840.40
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Solution
The fourth proportional to 1,234,923.84, 1,855,486.44 and 785,840.40 is: 1,180,733.71
Step by Step Solution
- Step 1: Write the proportion equation
1,234,923.84 : 1,855,486.44 = 785,840.40 : x - Step 2: Convert to fraction form
1,234,923.84/1,855,486.44 = 785,840.40/x - Step 3: Cross multiply
1,234,923.84x = 1,855,486.44 × 785,840.40 - Step 4: Simplify right side
1,234,923.84x = 1,458,116,206,204.18 - Step 5: Solve for x
x = 1,458,116,206,204.18/1,234,923.84 - Step 6: Final answer
x = 1,180,733.71
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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.