Home / 975,128.40-1,462,692.60-817,664.40

Finding the Fourth Proportional to 975,128.40, 1,462,692.60 and 817,664.40

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Solution

The fourth proportional to 975,128.40, 1,462,692.60 and 817,664.40 is: 1,226,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,128.40 : 1,462,692.60 = 817,664.40 : x
  2. Step 2: Convert to fraction form
    975,128.40/1,462,692.60 = 817,664.40/x
  3. Step 3: Cross multiply
    975,128.40x = 1,462,692.60 × 817,664.40
  4. Step 4: Simplify right side
    975,128.40x = 1,195,991,667,163.44
  5. Step 5: Solve for x
    x = 1,195,991,667,163.44/975,128.40
  6. Step 6: Final answer
    x = 1,226,496.60

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Similar ratio
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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.