Finding the Fourth Proportional to 1,128,470.04, 1,557,283.82 and 619,161.48
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Solution
The fourth proportional to 1,128,470.04, 1,557,283.82 and 619,161.48 is: 854,440.19
Step by Step Solution
- Step 1: Write the proportion equation
1,128,470.04 : 1,557,283.82 = 619,161.48 : x - Step 2: Convert to fraction form
1,128,470.04/1,557,283.82 = 619,161.48/x - Step 3: Cross multiply
1,128,470.04x = 1,557,283.82 × 619,161.48 - Step 4: Simplify right side
1,128,470.04x = 964,210,154,771.25 - Step 5: Solve for x
x = 964,210,154,771.25/1,128,470.04 - Step 6: Final answer
x = 854,440.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.