Home / 1,023,609.65-1,535,359.10-313,639.74

Finding the Fourth Proportional to 1,023,609.65, 1,535,359.10 and 313,639.74

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Solution

The fourth proportional to 1,023,609.65, 1,535,359.10 and 313,639.74 is: 470,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,609.65 : 1,535,359.10 = 313,639.74 : x
  2. Step 2: Convert to fraction form
    1,023,609.65/1,535,359.10 = 313,639.74/x
  3. Step 3: Cross multiply
    1,023,609.65x = 1,535,359.10 × 313,639.74
  4. Step 4: Simplify right side
    1,023,609.65x = 481,549,627,362.44
  5. Step 5: Solve for x
    x = 481,549,627,362.44/1,023,609.65
  6. Step 6: Final answer
    x = 470,442.64

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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.