Home / 1,065,471.25-1,470,379.12-636,000.50

Finding the Fourth Proportional to 1,065,471.25, 1,470,379.12 and 636,000.50

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Solution

The fourth proportional to 1,065,471.25, 1,470,379.12 and 636,000.50 is: 877,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,471.25 : 1,470,379.12 = 636,000.50 : x
  2. Step 2: Convert to fraction form
    1,065,471.25/1,470,379.12 = 636,000.50/x
  3. Step 3: Cross multiply
    1,065,471.25x = 1,470,379.12 × 636,000.50
  4. Step 4: Simplify right side
    1,065,471.25x = 935,161,855,509.56
  5. Step 5: Solve for x
    x = 935,161,855,509.56/1,065,471.25
  6. Step 6: Final answer
    x = 877,697.88

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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.