Home / 1,439,949.44-1,985,810.64-981,748.64

Finding the Fourth Proportional to 1,439,949.44, 1,985,810.64 and 981,748.64

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Solution

The fourth proportional to 1,439,949.44, 1,985,810.64 and 981,748.64 is: 1,353,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,949.44 : 1,985,810.64 = 981,748.64 : x
  2. Step 2: Convert to fraction form
    1,439,949.44/1,985,810.64 = 981,748.64/x
  3. Step 3: Cross multiply
    1,439,949.44x = 1,985,810.64 × 981,748.64
  4. Step 4: Simplify right side
    1,439,949.44x = 1,949,566,895,117.53
  5. Step 5: Solve for x
    x = 1,949,566,895,117.53/1,439,949.44
  6. Step 6: Final answer
    x = 1,353,913.44

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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.