Finding the Fourth Proportional to 1,134,367.74, 1,565,503.34 and 625,070.12
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Solution
The fourth proportional to 1,134,367.74, 1,565,503.34 and 625,070.12 is: 862,638.56
Step by Step Solution
- Step 1: Write the proportion equation
1,134,367.74 : 1,565,503.34 = 625,070.12 : x - Step 2: Convert to fraction form
1,134,367.74/1,565,503.34 = 625,070.12/x - Step 3: Cross multiply
1,134,367.74x = 1,565,503.34 × 625,070.12 - Step 4: Simplify right side
1,134,367.74x = 978,549,349,641.33 - Step 5: Solve for x
x = 978,549,349,641.33/1,134,367.74 - Step 6: Final answer
x = 862,638.56
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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.