Finding the Fourth Proportional to 1,448,267.60, 2,169,809.40 and 698,661.20
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Solution
The fourth proportional to 1,448,267.60, 2,169,809.40 and 698,661.20 is: 1,046,741.39
Step by Step Solution
- Step 1: Write the proportion equation
1,448,267.60 : 2,169,809.40 = 698,661.20 : x - Step 2: Convert to fraction form
1,448,267.60/2,169,809.40 = 698,661.20/x - Step 3: Cross multiply
1,448,267.60x = 2,169,809.40 × 698,661.20 - Step 4: Simplify right side
1,448,267.60x = 1,515,961,639,175.28 - Step 5: Solve for x
x = 1,515,961,639,175.28/1,448,267.60 - Step 6: Final answer
x = 1,046,741.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.