Home / 1,688,093.04-2,532,128.60-425,921.88

Finding the Fourth Proportional to 1,688,093.04, 2,532,128.60 and 425,921.88

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Solution

The fourth proportional to 1,688,093.04, 2,532,128.60 and 425,921.88 is: 638,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,093.04 : 2,532,128.60 = 425,921.88 : x
  2. Step 2: Convert to fraction form
    1,688,093.04/2,532,128.60 = 425,921.88/x
  3. Step 3: Cross multiply
    1,688,093.04x = 2,532,128.60 × 425,921.88
  4. Step 4: Simplify right side
    1,688,093.04x = 1,078,488,973,713.77
  5. Step 5: Solve for x
    x = 1,078,488,973,713.77/1,688,093.04
  6. Step 6: Final answer
    x = 638,880.05

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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.