Finding the Fourth Proportional to 1,187,873.12, 1,781,809.80 and 346,424.96
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Solution
The fourth proportional to 1,187,873.12, 1,781,809.80 and 346,424.96 is: 519,637.47
Step by Step Solution
- Step 1: Write the proportion equation
1,187,873.12 : 1,781,809.80 = 346,424.96 : x - Step 2: Convert to fraction form
1,187,873.12/1,781,809.80 = 346,424.96/x - Step 3: Cross multiply
1,187,873.12x = 1,781,809.80 × 346,424.96 - Step 4: Simplify right side
1,187,873.12x = 617,263,388,692.61 - Step 5: Solve for x
x = 617,263,388,692.61/1,187,873.12 - Step 6: Final answer
x = 519,637.47
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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.