Home / 1,007,984.96-1,509,692.16-781,530.56

Finding the Fourth Proportional to 1,007,984.96, 1,509,692.16 and 781,530.56

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Solution

The fourth proportional to 1,007,984.96, 1,509,692.16 and 781,530.56 is: 1,170,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,984.96 : 1,509,692.16 = 781,530.56 : x
  2. Step 2: Convert to fraction form
    1,007,984.96/1,509,692.16 = 781,530.56/x
  3. Step 3: Cross multiply
    1,007,984.96x = 1,509,692.16 × 781,530.56
  4. Step 4: Simplify right side
    1,007,984.96x = 1,179,870,559,232.41
  5. Step 5: Solve for x
    x = 1,179,870,559,232.41/1,007,984.96
  6. Step 6: Final answer
    x = 1,170,523.97

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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.