Home / 1,025,670.60-1,536,432.30-689,747.40

Finding the Fourth Proportional to 1,025,670.60, 1,536,432.30 and 689,747.40

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Solution

The fourth proportional to 1,025,670.60, 1,536,432.30 and 689,747.40 is: 1,033,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,670.60 : 1,536,432.30 = 689,747.40 : x
  2. Step 2: Convert to fraction form
    1,025,670.60/1,536,432.30 = 689,747.40/x
  3. Step 3: Cross multiply
    1,025,670.60x = 1,536,432.30 × 689,747.40
  4. Step 4: Simplify right side
    1,025,670.60x = 1,059,750,184,201.02
  5. Step 5: Solve for x
    x = 1,059,750,184,201.02/1,025,670.60
  6. Step 6: Final answer
    x = 1,033,226.64

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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.