Home / 1,248,138.80-1,872,510.60-361,674.80

Finding the Fourth Proportional to 1,248,138.80, 1,872,510.60 and 361,674.80

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Solution

The fourth proportional to 1,248,138.80, 1,872,510.60 and 361,674.80 is: 542,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,138.80 : 1,872,510.60 = 361,674.80 : x
  2. Step 2: Convert to fraction form
    1,248,138.80/1,872,510.60 = 361,674.80/x
  3. Step 3: Cross multiply
    1,248,138.80x = 1,872,510.60 × 361,674.80
  4. Step 4: Simplify right side
    1,248,138.80x = 677,239,896,752.88
  5. Step 5: Solve for x
    x = 677,239,896,752.88/1,248,138.80
  6. Step 6: Final answer
    x = 542,599.83

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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.