Finding the Fourth Proportional to 1,403,720.97, 1,937,140.74 and 759,141.15
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Solution
The fourth proportional to 1,403,720.97, 1,937,140.74 and 759,141.15 is: 1,047,617.92
Step by Step Solution
- Step 1: Write the proportion equation
1,403,720.97 : 1,937,140.74 = 759,141.15 : x - Step 2: Convert to fraction form
1,403,720.97/1,937,140.74 = 759,141.15/x - Step 3: Cross multiply
1,403,720.97x = 1,937,140.74 × 759,141.15 - Step 4: Simplify right side
1,403,720.97x = 1,470,563,249,075.45 - Step 5: Solve for x
x = 1,470,563,249,075.45/1,403,720.97 - Step 6: Final answer
x = 1,047,617.92
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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.