Home / 1,255,738.20-1,883,607.28-369,274.20

Finding the Fourth Proportional to 1,255,738.20, 1,883,607.28 and 369,274.20

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Solution

The fourth proportional to 1,255,738.20, 1,883,607.28 and 369,274.20 is: 553,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,738.20 : 1,883,607.28 = 369,274.20 : x
  2. Step 2: Convert to fraction form
    1,255,738.20/1,883,607.28 = 369,274.20/x
  3. Step 3: Cross multiply
    1,255,738.20x = 1,883,607.28 × 369,274.20
  4. Step 4: Simplify right side
    1,255,738.20x = 695,567,571,436.18
  5. Step 5: Solve for x
    x = 695,567,571,436.18/1,255,738.20
  6. Step 6: Final answer
    x = 553,911.29

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Double scale
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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.