Home / 1,070,800.90-1,604,059.43-644,101.25

Finding the Fourth Proportional to 1,070,800.90, 1,604,059.43 and 644,101.25

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Solution

The fourth proportional to 1,070,800.90, 1,604,059.43 and 644,101.25 is: 964,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,800.90 : 1,604,059.43 = 644,101.25 : x
  2. Step 2: Convert to fraction form
    1,070,800.90/1,604,059.43 = 644,101.25/x
  3. Step 3: Cross multiply
    1,070,800.90x = 1,604,059.43 × 644,101.25
  4. Step 4: Simplify right side
    1,070,800.90x = 1,033,176,672,696.48
  5. Step 5: Solve for x
    x = 1,033,176,672,696.48/1,070,800.90
  6. Step 6: Final answer
    x = 964,863.47

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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.