Home / 1,069,555.88-1,475,846.79-639,679.16

Finding the Fourth Proportional to 1,069,555.88, 1,475,846.79 and 639,679.16

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Solution

The fourth proportional to 1,069,555.88, 1,475,846.79 and 639,679.16 is: 882,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,555.88 : 1,475,846.79 = 639,679.16 : x
  2. Step 2: Convert to fraction form
    1,069,555.88/1,475,846.79 = 639,679.16/x
  3. Step 3: Cross multiply
    1,069,555.88x = 1,475,846.79 × 639,679.16
  4. Step 4: Simplify right side
    1,069,555.88x = 944,068,434,915.90
  5. Step 5: Solve for x
    x = 944,068,434,915.90/1,069,555.88
  6. Step 6: Final answer
    x = 882,673.32

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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.