Finding the Fourth Proportional to 1,045,621.30, 1,566,358.35 and 623,643.70
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Solution
The fourth proportional to 1,045,621.30, 1,566,358.35 and 623,643.70 is: 934,228.79
Step by Step Solution
- Step 1: Write the proportion equation
1,045,621.30 : 1,566,358.35 = 623,643.70 : x - Step 2: Convert to fraction form
1,045,621.30/1,566,358.35 = 623,643.70/x - Step 3: Cross multiply
1,045,621.30x = 1,566,358.35 × 623,643.70 - Step 4: Simplify right side
1,045,621.30x = 976,849,516,919.90 - Step 5: Solve for x
x = 976,849,516,919.90/1,045,621.30 - Step 6: Final answer
x = 934,228.79
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1.5x scale
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.