Finding the Fourth Proportional to 1,184,853.04, 1,635,090.36 and 640,987.18
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Solution
The fourth proportional to 1,184,853.04, 1,635,090.36 and 640,987.18 is: 884,558.61
Step by Step Solution
- Step 1: Write the proportion equation
1,184,853.04 : 1,635,090.36 = 640,987.18 : x - Step 2: Convert to fraction form
1,184,853.04/1,635,090.36 = 640,987.18/x - Step 3: Cross multiply
1,184,853.04x = 1,635,090.36 × 640,987.18 - Step 4: Simplify right side
1,184,853.04x = 1,048,071,958,901.59 - Step 5: Solve for x
x = 1,048,071,958,901.59/1,184,853.04 - Step 6: Final answer
x = 884,558.61
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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.