Home / 1,043,785.59-1,563,020.50-687,720.12

Finding the Fourth Proportional to 1,043,785.59, 1,563,020.50 and 687,720.12

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Solution

The fourth proportional to 1,043,785.59, 1,563,020.50 and 687,720.12 is: 1,029,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,785.59 : 1,563,020.50 = 687,720.12 : x
  2. Step 2: Convert to fraction form
    1,043,785.59/1,563,020.50 = 687,720.12/x
  3. Step 3: Cross multiply
    1,043,785.59x = 1,563,020.50 × 687,720.12
  4. Step 4: Simplify right side
    1,043,785.59x = 1,074,920,645,822.46
  5. Step 5: Solve for x
    x = 1,074,920,645,822.46/1,043,785.59
  6. Step 6: Final answer
    x = 1,029,828.98

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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.