Finding the Fourth Proportional to 1,301,794.74, 1,944,775.68 and 842,645.63
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Solution
The fourth proportional to 1,301,794.74, 1,944,775.68 and 842,645.63 is: 1,258,844.18
Step by Step Solution
- Step 1: Write the proportion equation
1,301,794.74 : 1,944,775.68 = 842,645.63 : x - Step 2: Convert to fraction form
1,301,794.74/1,944,775.68 = 842,645.63/x - Step 3: Cross multiply
1,301,794.74x = 1,944,775.68 × 842,645.63 - Step 4: Simplify right side
1,301,794.74x = 1,638,756,729,784.30 - Step 5: Solve for x
x = 1,638,756,729,784.30/1,301,794.74 - Step 6: Final answer
x = 1,258,844.18
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.