Home / 1,053,858.84-1,580,792.40-255,139.20

Finding the Fourth Proportional to 1,053,858.84, 1,580,792.40 and 255,139.20

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Solution

The fourth proportional to 1,053,858.84, 1,580,792.40 and 255,139.20 is: 382,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,858.84 : 1,580,792.40 = 255,139.20 : x
  2. Step 2: Convert to fraction form
    1,053,858.84/1,580,792.40 = 255,139.20/x
  3. Step 3: Cross multiply
    1,053,858.84x = 1,580,792.40 × 255,139.20
  4. Step 4: Simplify right side
    1,053,858.84x = 403,322,108,302.08
  5. Step 5: Solve for x
    x = 403,322,108,302.08/1,053,858.84
  6. Step 6: Final answer
    x = 382,709.80

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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.