Finding the Fourth Proportional to 1,218,023.06, 1,826,990.85 and 319,457.66
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Solution
The fourth proportional to 1,218,023.06, 1,826,990.85 and 319,457.66 is: 479,175.02
Step by Step Solution
- Step 1: Write the proportion equation
1,218,023.06 : 1,826,990.85 = 319,457.66 : x - Step 2: Convert to fraction form
1,218,023.06/1,826,990.85 = 319,457.66/x - Step 3: Cross multiply
1,218,023.06x = 1,826,990.85 × 319,457.66 - Step 4: Simplify right side
1,218,023.06x = 583,646,221,782.41 - Step 5: Solve for x
x = 583,646,221,782.41/1,218,023.06 - Step 6: Final answer
x = 479,175.02
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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.