Home / 1,056,421.20-1,457,881.08-648,318.74

Finding the Fourth Proportional to 1,056,421.20, 1,457,881.08 and 648,318.74

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Solution

The fourth proportional to 1,056,421.20, 1,457,881.08 and 648,318.74 is: 894,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,421.20 : 1,457,881.08 = 648,318.74 : x
  2. Step 2: Convert to fraction form
    1,056,421.20/1,457,881.08 = 648,318.74/x
  3. Step 3: Cross multiply
    1,056,421.20x = 1,457,881.08 × 648,318.74
  4. Step 4: Simplify right side
    1,056,421.20x = 945,171,624,855.44
  5. Step 5: Solve for x
    x = 945,171,624,855.44/1,056,421.20
  6. Step 6: Final answer
    x = 894,692.03

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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.