Finding the Fourth Proportional to 1,178,006.24, 1,764,526.80 and 538,848.20
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Solution
The fourth proportional to 1,178,006.24, 1,764,526.80 and 538,848.20 is: 807,136.72
Step by Step Solution
- Step 1: Write the proportion equation
1,178,006.24 : 1,764,526.80 = 538,848.20 : x - Step 2: Convert to fraction form
1,178,006.24/1,764,526.80 = 538,848.20/x - Step 3: Cross multiply
1,178,006.24x = 1,764,526.80 × 538,848.20 - Step 4: Simplify right side
1,178,006.24x = 950,812,090,031.76 - Step 5: Solve for x
x = 950,812,090,031.76/1,178,006.24 - Step 6: Final answer
x = 807,136.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.