Home / 1,038,624.07-1,558,014.90-280,454.50

Finding the Fourth Proportional to 1,038,624.07, 1,558,014.90 and 280,454.50

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Solution

The fourth proportional to 1,038,624.07, 1,558,014.90 and 280,454.50 is: 420,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,624.07 : 1,558,014.90 = 280,454.50 : x
  2. Step 2: Convert to fraction form
    1,038,624.07/1,558,014.90 = 280,454.50/x
  3. Step 3: Cross multiply
    1,038,624.07x = 1,558,014.90 × 280,454.50
  4. Step 4: Simplify right side
    1,038,624.07x = 436,952,289,772.05
  5. Step 5: Solve for x
    x = 436,952,289,772.05/1,038,624.07
  6. Step 6: Final answer
    x = 420,703.03

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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.