Home / 1,011,692.92-1,518,619.72-435,601.58

Finding the Fourth Proportional to 1,011,692.92, 1,518,619.72 and 435,601.58

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Solution

The fourth proportional to 1,011,692.92, 1,518,619.72 and 435,601.58 is: 653,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,692.92 : 1,518,619.72 = 435,601.58 : x
  2. Step 2: Convert to fraction form
    1,011,692.92/1,518,619.72 = 435,601.58/x
  3. Step 3: Cross multiply
    1,011,692.92x = 1,518,619.72 × 435,601.58
  4. Step 4: Simplify right side
    1,011,692.92x = 661,513,149,451.16
  5. Step 5: Solve for x
    x = 661,513,149,451.16/1,011,692.92
  6. Step 6: Final answer
    x = 653,867.53

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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.