Home / 1,038,614.43-1,558,000.44-280,444.86

Finding the Fourth Proportional to 1,038,614.43, 1,558,000.44 and 280,444.86

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Solution

The fourth proportional to 1,038,614.43, 1,558,000.44 and 280,444.86 is: 420,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,614.43 : 1,558,000.44 = 280,444.86 : x
  2. Step 2: Convert to fraction form
    1,038,614.43/1,558,000.44 = 280,444.86/x
  3. Step 3: Cross multiply
    1,038,614.43x = 1,558,000.44 × 280,444.86
  4. Step 4: Simplify right side
    1,038,614.43x = 436,933,216,327.41
  5. Step 5: Solve for x
    x = 436,933,216,327.41/1,038,614.43
  6. Step 6: Final answer
    x = 420,688.57

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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.