Home / 1,123,739.64-1,685,258.10-375,610.68

Finding the Fourth Proportional to 1,123,739.64, 1,685,258.10 and 375,610.68

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Solution

The fourth proportional to 1,123,739.64, 1,685,258.10 and 375,610.68 is: 563,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,739.64 : 1,685,258.10 = 375,610.68 : x
  2. Step 2: Convert to fraction form
    1,123,739.64/1,685,258.10 = 375,610.68/x
  3. Step 3: Cross multiply
    1,123,739.64x = 1,685,258.10 × 375,610.68
  4. Step 4: Simplify right side
    1,123,739.64x = 633,000,940,916.51
  5. Step 5: Solve for x
    x = 633,000,940,916.51/1,123,739.64
  6. Step 6: Final answer
    x = 563,298.58

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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.