Finding the Fourth Proportional to 1,269,210.36, 1,751,533.98 and 778,934.07
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Solution
The fourth proportional to 1,269,210.36, 1,751,533.98 and 778,934.07 is: 1,074,943.55
Step by Step Solution
- Step 1: Write the proportion equation
1,269,210.36 : 1,751,533.98 = 778,934.07 : x - Step 2: Convert to fraction form
1,269,210.36/1,751,533.98 = 778,934.07/x - Step 3: Cross multiply
1,269,210.36x = 1,751,533.98 × 778,934.07 - Step 4: Simplify right side
1,269,210.36x = 1,364,329,488,863.70 - Step 5: Solve for x
x = 1,364,329,488,863.70/1,269,210.36 - Step 6: Final answer
x = 1,074,943.55
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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.