Home / 1,588,422.81-2,379,980.66-987,901.77

Finding the Fourth Proportional to 1,588,422.81, 2,379,980.66 and 987,901.77

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Solution

The fourth proportional to 1,588,422.81, 2,379,980.66 and 987,901.77 is: 1,480,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,422.81 : 2,379,980.66 = 987,901.77 : x
  2. Step 2: Convert to fraction form
    1,588,422.81/2,379,980.66 = 987,901.77/x
  3. Step 3: Cross multiply
    1,588,422.81x = 2,379,980.66 × 987,901.77
  4. Step 4: Simplify right side
    1,588,422.81x = 2,351,187,106,579.77
  5. Step 5: Solve for x
    x = 2,351,187,106,579.77/1,588,422.81
  6. Step 6: Final answer
    x = 1,480,202.31

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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.