Home / 1,228,870.13-1,843,616.23-342,406.13

Finding the Fourth Proportional to 1,228,870.13, 1,843,616.23 and 342,406.13

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Solution

The fourth proportional to 1,228,870.13, 1,843,616.23 and 342,406.13 is: 513,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,870.13 : 1,843,616.23 = 342,406.13 : x
  2. Step 2: Convert to fraction form
    1,228,870.13/1,843,616.23 = 342,406.13/x
  3. Step 3: Cross multiply
    1,228,870.13x = 1,843,616.23 × 342,406.13
  4. Step 4: Simplify right side
    1,228,870.13x = 631,265,488,445.39
  5. Step 5: Solve for x
    x = 631,265,488,445.39/1,228,870.13
  6. Step 6: Final answer
    x = 513,695.85

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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.