Finding the Fourth Proportional to 1,174,595.60, 1,762,354.20 and 426,717.20
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Solution
The fourth proportional to 1,174,595.60, 1,762,354.20 and 426,717.20 is: 640,243.20
Step by Step Solution
- Step 1: Write the proportion equation
1,174,595.60 : 1,762,354.20 = 426,717.20 : x - Step 2: Convert to fraction form
1,174,595.60/1,762,354.20 = 426,717.20/x - Step 3: Cross multiply
1,174,595.60x = 1,762,354.20 × 426,717.20 - Step 4: Simplify right side
1,174,595.60x = 752,026,849,632.24 - Step 5: Solve for x
x = 752,026,849,632.24/1,174,595.60 - Step 6: Final answer
x = 640,243.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.