Home / 1,087,007.09-1,500,040.94-603,559.80

Finding the Fourth Proportional to 1,087,007.09, 1,500,040.94 and 603,559.80

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Solution

The fourth proportional to 1,087,007.09, 1,500,040.94 and 603,559.80 is: 832,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,007.09 : 1,500,040.94 = 603,559.80 : x
  2. Step 2: Convert to fraction form
    1,087,007.09/1,500,040.94 = 603,559.80/x
  3. Step 3: Cross multiply
    1,087,007.09x = 1,500,040.94 × 603,559.80
  4. Step 4: Simplify right side
    1,087,007.09x = 905,364,411,247.11
  5. Step 5: Solve for x
    x = 905,364,411,247.11/1,087,007.09
  6. Step 6: Final answer
    x = 832,896.51

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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.