Home / 1,257,854.31-1,883,238.32-1,130,308.47

Finding the Fourth Proportional to 1,257,854.31, 1,883,238.32 and 1,130,308.47

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Solution

The fourth proportional to 1,257,854.31, 1,883,238.32 and 1,130,308.47 is: 1,692,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,854.31 : 1,883,238.32 = 1,130,308.47 : x
  2. Step 2: Convert to fraction form
    1,257,854.31/1,883,238.32 = 1,130,308.47/x
  3. Step 3: Cross multiply
    1,257,854.31x = 1,883,238.32 × 1,130,308.47
  4. Step 4: Simplify right side
    1,257,854.31x = 2,128,640,226,950.34
  5. Step 5: Solve for x
    x = 2,128,640,226,950.34/1,257,854.31
  6. Step 6: Final answer
    x = 1,692,278.84

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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.