Home / 1,240,824.60-1,861,366.36-342,266.48

Finding the Fourth Proportional to 1,240,824.60, 1,861,366.36 and 342,266.48

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Solution

The fourth proportional to 1,240,824.60, 1,861,366.36 and 342,266.48 is: 513,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,824.60 : 1,861,366.36 = 342,266.48 : x
  2. Step 2: Convert to fraction form
    1,240,824.60/1,861,366.36 = 342,266.48/x
  3. Step 3: Cross multiply
    1,240,824.60x = 1,861,366.36 × 342,266.48
  4. Step 4: Simplify right side
    1,240,824.60x = 637,083,312,027.61
  5. Step 5: Solve for x
    x = 637,083,312,027.61/1,240,824.60
  6. Step 6: Final answer
    x = 513,435.43

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1.5x scale

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.