Home / 1,005,333.20-1,387,359.72-552,624.20

Finding the Fourth Proportional to 1,005,333.20, 1,387,359.72 and 552,624.20

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Solution

The fourth proportional to 1,005,333.20, 1,387,359.72 and 552,624.20 is: 762,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,333.20 : 1,387,359.72 = 552,624.20 : x
  2. Step 2: Convert to fraction form
    1,005,333.20/1,387,359.72 = 552,624.20/x
  3. Step 3: Cross multiply
    1,005,333.20x = 1,387,359.72 × 552,624.20
  4. Step 4: Simplify right side
    1,005,333.20x = 766,688,548,440.43
  5. Step 5: Solve for x
    x = 766,688,548,440.43/1,005,333.20
  6. Step 6: Final answer
    x = 762,621.34

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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.