Home / 1,434,312.06-2,150,966.57-423,165.57

Finding the Fourth Proportional to 1,434,312.06, 2,150,966.57 and 423,165.57

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Solution

The fourth proportional to 1,434,312.06, 2,150,966.57 and 423,165.57 is: 634,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,312.06 : 2,150,966.57 = 423,165.57 : x
  2. Step 2: Convert to fraction form
    1,434,312.06/2,150,966.57 = 423,165.57/x
  3. Step 3: Cross multiply
    1,434,312.06x = 2,150,966.57 × 423,165.57
  4. Step 4: Simplify right side
    1,434,312.06x = 910,214,992,529.17
  5. Step 5: Solve for x
    x = 910,214,992,529.17/1,434,312.06
  6. Step 6: Final answer
    x = 634,600.39

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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.