Home / 1,434,415.56-2,151,264.78-423,336.84

Finding the Fourth Proportional to 1,434,415.56, 2,151,264.78 and 423,336.84

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Solution

The fourth proportional to 1,434,415.56, 2,151,264.78 and 423,336.84 is: 634,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,415.56 : 2,151,264.78 = 423,336.84 : x
  2. Step 2: Convert to fraction form
    1,434,415.56/2,151,264.78 = 423,336.84/x
  3. Step 3: Cross multiply
    1,434,415.56x = 2,151,264.78 × 423,336.84
  4. Step 4: Simplify right side
    1,434,415.56x = 910,709,633,968.50
  5. Step 5: Solve for x
    x = 910,709,633,968.50/1,434,415.56
  6. Step 6: Final answer
    x = 634,899.44

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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.