Home / 956,534.48-1,310,457.94-920,661.20

Finding the Fourth Proportional to 956,534.48, 1,310,457.94 and 920,661.20

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Solution

The fourth proportional to 956,534.48, 1,310,457.94 and 920,661.20 is: 1,261,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,534.48 : 1,310,457.94 = 920,661.20 : x
  2. Step 2: Convert to fraction form
    956,534.48/1,310,457.94 = 920,661.20/x
  3. Step 3: Cross multiply
    956,534.48x = 1,310,457.94 × 920,661.20
  4. Step 4: Simplify right side
    956,534.48x = 1,206,487,779,589.93
  5. Step 5: Solve for x
    x = 1,206,487,779,589.93/956,534.48
  6. Step 6: Final answer
    x = 1,261,311.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.