Home / 1,240,806.59-1,861,339.35-342,248.48

Finding the Fourth Proportional to 1,240,806.59, 1,861,339.35 and 342,248.48

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Solution

The fourth proportional to 1,240,806.59, 1,861,339.35 and 342,248.48 is: 513,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,806.59 : 1,861,339.35 = 342,248.48 : x
  2. Step 2: Convert to fraction form
    1,240,806.59/1,861,339.35 = 342,248.48/x
  3. Step 3: Cross multiply
    1,240,806.59x = 1,861,339.35 × 342,248.48
  4. Step 4: Simplify right side
    1,240,806.59x = 637,040,563,301.69
  5. Step 5: Solve for x
    x = 637,040,563,301.69/1,240,806.59
  6. Step 6: Final answer
    x = 513,408.43

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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.