Home / 926,927.20-1,388,317.20-761,039.20

Finding the Fourth Proportional to 926,927.20, 1,388,317.20 and 761,039.20

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Solution

The fourth proportional to 926,927.20, 1,388,317.20 and 761,039.20 is: 1,139,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,927.20 : 1,388,317.20 = 761,039.20 : x
  2. Step 2: Convert to fraction form
    926,927.20/1,388,317.20 = 761,039.20/x
  3. Step 3: Cross multiply
    926,927.20x = 1,388,317.20 × 761,039.20
  4. Step 4: Simplify right side
    926,927.20x = 1,056,563,811,234.24
  5. Step 5: Solve for x
    x = 1,056,563,811,234.24/926,927.20
  6. Step 6: Final answer
    x = 1,139,856.30

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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.