Finding the Fourth Proportional to 1,316,859.19, 1,975,291.32 and 507,624.68
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Solution
The fourth proportional to 1,316,859.19, 1,975,291.32 and 507,624.68 is: 761,438.00
Step by Step Solution
- Step 1: Write the proportion equation
1,316,859.19 : 1,975,291.32 = 507,624.68 : x - Step 2: Convert to fraction form
1,316,859.19/1,975,291.32 = 507,624.68/x - Step 3: Cross multiply
1,316,859.19x = 1,975,291.32 × 507,624.68 - Step 4: Simplify right side
1,316,859.19x = 1,002,706,624,221.78 - Step 5: Solve for x
x = 1,002,706,624,221.78/1,316,859.19 - Step 6: Final answer
x = 761,438.00
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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.