Home / 1,421,400.61-2,131,467.38-410,282.18

Finding the Fourth Proportional to 1,421,400.61, 2,131,467.38 and 410,282.18

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Solution

The fourth proportional to 1,421,400.61, 2,131,467.38 and 410,282.18 is: 615,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,400.61 : 2,131,467.38 = 410,282.18 : x
  2. Step 2: Convert to fraction form
    1,421,400.61/2,131,467.38 = 410,282.18/x
  3. Step 3: Cross multiply
    1,421,400.61x = 2,131,467.38 × 410,282.18
  4. Step 4: Simplify right side
    1,421,400.61x = 874,503,083,265.29
  5. Step 5: Solve for x
    x = 874,503,083,265.29/1,421,400.61
  6. Step 6: Final answer
    x = 615,240.40

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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.