Finding the Fourth Proportional to 1,435,448.74, 1,980,918.18 and 790,868.94
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Solution
The fourth proportional to 1,435,448.74, 1,980,918.18 and 790,868.94 is: 1,091,398.53
Step by Step Solution
- Step 1: Write the proportion equation
1,435,448.74 : 1,980,918.18 = 790,868.94 : x - Step 2: Convert to fraction form
1,435,448.74/1,980,918.18 = 790,868.94/x - Step 3: Cross multiply
1,435,448.74x = 1,980,918.18 × 790,868.94 - Step 4: Simplify right side
1,435,448.74x = 1,566,646,651,338.74 - Step 5: Solve for x
x = 1,566,646,651,338.74/1,435,448.74 - Step 6: Final answer
x = 1,091,398.53
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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.