Home / 1,240,909.32-1,861,471.19-342,351.06

Finding the Fourth Proportional to 1,240,909.32, 1,861,471.19 and 342,351.06

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Solution

The fourth proportional to 1,240,909.32, 1,861,471.19 and 342,351.06 is: 513,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,909.32 : 1,861,471.19 = 342,351.06 : x
  2. Step 2: Convert to fraction form
    1,240,909.32/1,861,471.19 = 342,351.06/x
  3. Step 3: Cross multiply
    1,240,909.32x = 1,861,471.19 × 342,351.06
  4. Step 4: Simplify right side
    1,240,909.32x = 637,276,628,931.32
  5. Step 5: Solve for x
    x = 637,276,628,931.32/1,240,909.32
  6. Step 6: Final answer
    x = 513,556.16

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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.