Home / 1,140,325.62-1,573,649.96-624,079.21

Finding the Fourth Proportional to 1,140,325.62, 1,573,649.96 and 624,079.21

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Solution

The fourth proportional to 1,140,325.62, 1,573,649.96 and 624,079.21 is: 861,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,325.62 : 1,573,649.96 = 624,079.21 : x
  2. Step 2: Convert to fraction form
    1,140,325.62/1,573,649.96 = 624,079.21/x
  3. Step 3: Cross multiply
    1,140,325.62x = 1,573,649.96 × 624,079.21
  4. Step 4: Simplify right side
    1,140,325.62x = 982,082,215,985.08
  5. Step 5: Solve for x
    x = 982,082,215,985.08/1,140,325.62
  6. Step 6: Final answer
    x = 861,229.64

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1.5x scale

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.