Finding the Fourth Proportional to 1,370,880.84, 1,891,684.20 and 759,011.19
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Solution
The fourth proportional to 1,370,880.84, 1,891,684.20 and 759,011.19 is: 1,047,362.71
Step by Step Solution
- Step 1: Write the proportion equation
1,370,880.84 : 1,891,684.20 = 759,011.19 : x - Step 2: Convert to fraction form
1,370,880.84/1,891,684.20 = 759,011.19/x - Step 3: Cross multiply
1,370,880.84x = 1,891,684.20 × 759,011.19 - Step 4: Simplify right side
1,370,880.84x = 1,435,809,475,746.20 - Step 5: Solve for x
x = 1,435,809,475,746.20/1,370,880.84 - Step 6: Final answer
x = 1,047,362.71
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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.