Home / 1,123,461.64-1,685,204.80-324,750.12

Finding the Fourth Proportional to 1,123,461.64, 1,685,204.80 and 324,750.12

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Solution

The fourth proportional to 1,123,461.64, 1,685,204.80 and 324,750.12 is: 487,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,461.64 : 1,685,204.80 = 324,750.12 : x
  2. Step 2: Convert to fraction form
    1,123,461.64/1,685,204.80 = 324,750.12/x
  3. Step 3: Cross multiply
    1,123,461.64x = 1,685,204.80 × 324,750.12
  4. Step 4: Simplify right side
    1,123,461.64x = 547,270,461,024.58
  5. Step 5: Solve for x
    x = 547,270,461,024.58/1,123,461.64
  6. Step 6: Final answer
    x = 487,128.75

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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.