Home / 1,386,425-2,079,637.50-499,961

Finding the Fourth Proportional to 1,386,425, 2,079,637.50 and 499,961

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Solution

The fourth proportional to 1,386,425, 2,079,637.50 and 499,961 is: 749,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,425 : 2,079,637.50 = 499,961 : x
  2. Step 2: Convert to fraction form
    1,386,425/2,079,637.50 = 499,961/x
  3. Step 3: Cross multiply
    1,386,425x = 2,079,637.50 × 499,961
  4. Step 4: Simplify right side
    1,386,425x = 1,039,737,644,137.50
  5. Step 5: Solve for x
    x = 1,039,737,644,137.50/1,386,425
  6. Step 6: Final answer
    x = 749,941.50

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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.