Home / 1,493,490.16-2,239,989-640,699.48

Finding the Fourth Proportional to 1,493,490.16, 2,239,989 and 640,699.48

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Solution

The fourth proportional to 1,493,490.16, 2,239,989 and 640,699.48 is: 960,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,490.16 : 2,239,989 = 640,699.48 : x
  2. Step 2: Convert to fraction form
    1,493,490.16/2,239,989 = 640,699.48/x
  3. Step 3: Cross multiply
    1,493,490.16x = 2,239,989 × 640,699.48
  4. Step 4: Simplify right side
    1,493,490.16x = 1,435,159,787,505.72
  5. Step 5: Solve for x
    x = 1,435,159,787,505.72/1,493,490.16
  6. Step 6: Final answer
    x = 960,943.58

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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.