Home / 1,012,780.87-1,518,382.53-507,081.26

Finding the Fourth Proportional to 1,012,780.87, 1,518,382.53 and 507,081.26

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Solution

The fourth proportional to 1,012,780.87, 1,518,382.53 and 507,081.26 is: 760,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,780.87 : 1,518,382.53 = 507,081.26 : x
  2. Step 2: Convert to fraction form
    1,012,780.87/1,518,382.53 = 507,081.26/x
  3. Step 3: Cross multiply
    1,012,780.87x = 1,518,382.53 × 507,081.26
  4. Step 4: Simplify right side
    1,012,780.87x = 769,943,330,270.34
  5. Step 5: Solve for x
    x = 769,943,330,270.34/1,012,780.87
  6. Step 6: Final answer
    x = 760,226.97

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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.