Finding the Fourth Proportional to 1,119,557.84, 1,544,931.53 and 636,055.88
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Solution
The fourth proportional to 1,119,557.84, 1,544,931.53 and 636,055.88 is: 877,723.99
Step by Step Solution
- Step 1: Write the proportion equation
1,119,557.84 : 1,544,931.53 = 636,055.88 : x - Step 2: Convert to fraction form
1,119,557.84/1,544,931.53 = 636,055.88/x - Step 3: Cross multiply
1,119,557.84x = 1,544,931.53 × 636,055.88 - Step 4: Simplify right side
1,119,557.84x = 982,662,775,334.17 - Step 5: Solve for x
x = 982,662,775,334.17/1,119,557.84 - Step 6: Final answer
x = 877,723.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.