Home / 1,069,519.66-1,603,199.34-670,440.16

Finding the Fourth Proportional to 1,069,519.66, 1,603,199.34 and 670,440.16

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Solution

The fourth proportional to 1,069,519.66, 1,603,199.34 and 670,440.16 is: 1,004,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,519.66 : 1,603,199.34 = 670,440.16 : x
  2. Step 2: Convert to fraction form
    1,069,519.66/1,603,199.34 = 670,440.16/x
  3. Step 3: Cross multiply
    1,069,519.66x = 1,603,199.34 × 670,440.16
  4. Step 4: Simplify right side
    1,069,519.66x = 1,074,849,222,021.49
  5. Step 5: Solve for x
    x = 1,074,849,222,021.49/1,069,519.66
  6. Step 6: Final answer
    x = 1,004,983.14

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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.