Finding the Fourth Proportional to 1,457,582.66, 2,184,318.80 and 688,259.53
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Solution
The fourth proportional to 1,457,582.66, 2,184,318.80 and 688,259.53 is: 1,031,418.85
Step by Step Solution
- Step 1: Write the proportion equation
1,457,582.66 : 2,184,318.80 = 688,259.53 : x - Step 2: Convert to fraction form
1,457,582.66/2,184,318.80 = 688,259.53/x - Step 3: Cross multiply
1,457,582.66x = 2,184,318.80 × 688,259.53 - Step 4: Simplify right side
1,457,582.66x = 1,503,378,221,756.07 - Step 5: Solve for x
x = 1,503,378,221,756.07/1,457,582.66 - Step 6: Final answer
x = 1,031,418.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.