Finding the Fourth Proportional to 1,132,416.75, 1,562,746.05 and 623,130.06
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Solution
The fourth proportional to 1,132,416.75, 1,562,746.05 and 623,130.06 is: 859,925.50
Step by Step Solution
- Step 1: Write the proportion equation
1,132,416.75 : 1,562,746.05 = 623,130.06 : x - Step 2: Convert to fraction form
1,132,416.75/1,562,746.05 = 623,130.06/x - Step 3: Cross multiply
1,132,416.75x = 1,562,746.05 × 623,130.06 - Step 4: Simplify right side
1,132,416.75x = 973,794,039,901.26 - Step 5: Solve for x
x = 973,794,039,901.26/1,132,416.75 - Step 6: Final answer
x = 859,925.50
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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.