Home / 1,255,427.20-1,883,140.80-751,542.40

Finding the Fourth Proportional to 1,255,427.20, 1,883,140.80 and 751,542.40

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Solution

The fourth proportional to 1,255,427.20, 1,883,140.80 and 751,542.40 is: 1,127,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,427.20 : 1,883,140.80 = 751,542.40 : x
  2. Step 2: Convert to fraction form
    1,255,427.20/1,883,140.80 = 751,542.40/x
  3. Step 3: Cross multiply
    1,255,427.20x = 1,883,140.80 × 751,542.40
  4. Step 4: Simplify right side
    1,255,427.20x = 1,415,260,156,369.92
  5. Step 5: Solve for x
    x = 1,415,260,156,369.92/1,255,427.20
  6. Step 6: Final answer
    x = 1,127,313.60

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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.