Finding the Fourth Proportional to 1,312,867.04, 1,811,062.16 and 904,266.12
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Solution
The fourth proportional to 1,312,867.04, 1,811,062.16 and 904,266.12 is: 1,247,408.99
Step by Step Solution
- Step 1: Write the proportion equation
1,312,867.04 : 1,811,062.16 = 904,266.12 : x - Step 2: Convert to fraction form
1,312,867.04/1,811,062.16 = 904,266.12/x - Step 3: Cross multiply
1,312,867.04x = 1,811,062.16 × 904,266.12 - Step 4: Simplify right side
1,312,867.04x = 1,637,682,152,502.02 - Step 5: Solve for x
x = 1,637,682,152,502.02/1,312,867.04 - Step 6: Final answer
x = 1,247,408.99
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1.5x scale
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.