Home / 1,780,461.57-2,670,695.70-432,625.32

Finding the Fourth Proportional to 1,780,461.57, 2,670,695.70 and 432,625.32

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Solution

The fourth proportional to 1,780,461.57, 2,670,695.70 and 432,625.32 is: 648,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,461.57 : 2,670,695.70 = 432,625.32 : x
  2. Step 2: Convert to fraction form
    1,780,461.57/2,670,695.70 = 432,625.32/x
  3. Step 3: Cross multiply
    1,780,461.57x = 2,670,695.70 × 432,625.32
  4. Step 4: Simplify right side
    1,780,461.57x = 1,155,410,581,835.12
  5. Step 5: Solve for x
    x = 1,155,410,581,835.12/1,780,461.57
  6. Step 6: Final answer
    x = 648,938.79

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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.