Home / 1,218,851.64-1,828,588.50-772,742.52

Finding the Fourth Proportional to 1,218,851.64, 1,828,588.50 and 772,742.52

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Solution

The fourth proportional to 1,218,851.64, 1,828,588.50 and 772,742.52 is: 1,159,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,851.64 : 1,828,588.50 = 772,742.52 : x
  2. Step 2: Convert to fraction form
    1,218,851.64/1,828,588.50 = 772,742.52/x
  3. Step 3: Cross multiply
    1,218,851.64x = 1,828,588.50 × 772,742.52
  4. Step 4: Simplify right side
    1,218,851.64x = 1,413,028,085,533.02
  5. Step 5: Solve for x
    x = 1,413,028,085,533.02/1,218,851.64
  6. Step 6: Final answer
    x = 1,159,310.98

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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.