Finding the Fourth Proportional to 1,122,509.84, 1,684,429.02 and 413,036.08
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Solution
The fourth proportional to 1,122,509.84, 1,684,429.02 and 413,036.08 is: 619,798.54
Step by Step Solution
- Step 1: Write the proportion equation
1,122,509.84 : 1,684,429.02 = 413,036.08 : x - Step 2: Convert to fraction form
1,122,509.84/1,684,429.02 = 413,036.08/x - Step 3: Cross multiply
1,122,509.84x = 1,684,429.02 × 413,036.08 - Step 4: Simplify right side
1,122,509.84x = 695,729,959,459.04 - Step 5: Solve for x
x = 695,729,959,459.04/1,122,509.84 - Step 6: Final answer
x = 619,798.54
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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.