Home / 1,340,927.64-1,850,467.12-729,080.40

Finding the Fourth Proportional to 1,340,927.64, 1,850,467.12 and 729,080.40

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Solution

The fourth proportional to 1,340,927.64, 1,850,467.12 and 729,080.40 is: 1,006,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,927.64 : 1,850,467.12 = 729,080.40 : x
  2. Step 2: Convert to fraction form
    1,340,927.64/1,850,467.12 = 729,080.40/x
  3. Step 3: Cross multiply
    1,340,927.64x = 1,850,467.12 × 729,080.40
  4. Step 4: Simplify right side
    1,340,927.64x = 1,349,139,308,036.45
  5. Step 5: Solve for x
    x = 1,349,139,308,036.45/1,340,927.64
  6. Step 6: Final answer
    x = 1,006,123.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.