Home / 1,205,809.32-1,808,989.92-522,810.30

Finding the Fourth Proportional to 1,205,809.32, 1,808,989.92 and 522,810.30

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Solution

The fourth proportional to 1,205,809.32, 1,808,989.92 and 522,810.30 is: 784,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,809.32 : 1,808,989.92 = 522,810.30 : x
  2. Step 2: Convert to fraction form
    1,205,809.32/1,808,989.92 = 522,810.30/x
  3. Step 3: Cross multiply
    1,205,809.32x = 1,808,989.92 × 522,810.30
  4. Step 4: Simplify right side
    1,205,809.32x = 945,758,562,772.18
  5. Step 5: Solve for x
    x = 945,758,562,772.18/1,205,809.32
  6. Step 6: Final answer
    x = 784,335.09

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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.