Finding the Fourth Proportional to 1,110,781.02, 1,666,228.58 and 312,124.84
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Solution
The fourth proportional to 1,110,781.02, 1,666,228.58 and 312,124.84 is: 468,203.29
Step by Step Solution
- Step 1: Write the proportion equation
1,110,781.02 : 1,666,228.58 = 312,124.84 : x - Step 2: Convert to fraction form
1,110,781.02/1,666,228.58 = 312,124.84/x - Step 3: Cross multiply
1,110,781.02x = 1,666,228.58 × 312,124.84 - Step 4: Simplify right side
1,110,781.02x = 520,071,328,935.93 - Step 5: Solve for x
x = 520,071,328,935.93/1,110,781.02 - Step 6: Final answer
x = 468,203.29
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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.