Home / 810,007.10-1,215,010.65-810,007.10

Finding the Fourth Proportional to 810,007.10, 1,215,010.65 and 810,007.10

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Solution

The fourth proportional to 810,007.10, 1,215,010.65 and 810,007.10 is: 1,215,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,007.10 : 1,215,010.65 = 810,007.10 : x
  2. Step 2: Convert to fraction form
    810,007.10/1,215,010.65 = 810,007.10/x
  3. Step 3: Cross multiply
    810,007.10x = 1,215,010.65 × 810,007.10
  4. Step 4: Simplify right side
    810,007.10x = 984,167,253,075.62
  5. Step 5: Solve for x
    x = 984,167,253,075.62/810,007.10
  6. Step 6: Final answer
    x = 1,215,010.65

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1.5x scale

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.