Home / 918,522.59-1,267,568.19-505,066.59

Finding the Fourth Proportional to 918,522.59, 1,267,568.19 and 505,066.59

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Solution

The fourth proportional to 918,522.59, 1,267,568.19 and 505,066.59 is: 696,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,522.59 : 1,267,568.19 = 505,066.59 : x
  2. Step 2: Convert to fraction form
    918,522.59/1,267,568.19 = 505,066.59/x
  3. Step 3: Cross multiply
    918,522.59x = 1,267,568.19 × 505,066.59
  4. Step 4: Simplify right side
    918,522.59x = 640,206,343,315.77
  5. Step 5: Solve for x
    x = 640,206,343,315.77/918,522.59
  6. Step 6: Final answer
    x = 696,995.76

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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.