Home / 1,026,240.40-1,538,708.58-900,133.90

Finding the Fourth Proportional to 1,026,240.40, 1,538,708.58 and 900,133.90

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Solution

The fourth proportional to 1,026,240.40, 1,538,708.58 and 900,133.90 is: 1,349,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,240.40 : 1,538,708.58 = 900,133.90 : x
  2. Step 2: Convert to fraction form
    1,026,240.40/1,538,708.58 = 900,133.90/x
  3. Step 3: Cross multiply
    1,026,240.40x = 1,538,708.58 × 900,133.90
  4. Step 4: Simplify right side
    1,026,240.40x = 1,385,043,755,078.86
  5. Step 5: Solve for x
    x = 1,385,043,755,078.86/1,026,240.40
  6. Step 6: Final answer
    x = 1,349,628.95

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1.5x scale

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.