Home / 1,140,540.40-1,574,296.30-657,428.44

Finding the Fourth Proportional to 1,140,540.40, 1,574,296.30 and 657,428.44

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Solution

The fourth proportional to 1,140,540.40, 1,574,296.30 and 657,428.44 is: 907,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,540.40 : 1,574,296.30 = 657,428.44 : x
  2. Step 2: Convert to fraction form
    1,140,540.40/1,574,296.30 = 657,428.44/x
  3. Step 3: Cross multiply
    1,140,540.40x = 1,574,296.30 × 657,428.44
  4. Step 4: Simplify right side
    1,140,540.40x = 1,034,987,160,606.77
  5. Step 5: Solve for x
    x = 1,034,987,160,606.77/1,140,540.40
  6. Step 6: Final answer
    x = 907,453.31

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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.