Home / 1,028,531.12-1,536,541.72-665,746.43

Finding the Fourth Proportional to 1,028,531.12, 1,536,541.72 and 665,746.43

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Solution

The fourth proportional to 1,028,531.12, 1,536,541.72 and 665,746.43 is: 994,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,531.12 : 1,536,541.72 = 665,746.43 : x
  2. Step 2: Convert to fraction form
    1,028,531.12/1,536,541.72 = 665,746.43/x
  3. Step 3: Cross multiply
    1,028,531.12x = 1,536,541.72 × 665,746.43
  4. Step 4: Simplify right side
    1,028,531.12x = 1,022,947,155,288.99
  5. Step 5: Solve for x
    x = 1,022,947,155,288.99/1,028,531.12
  6. Step 6: Final answer
    x = 994,570.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.