Home / 1,018,673.20-1,528,009.80-270,719.20

Finding the Fourth Proportional to 1,018,673.20, 1,528,009.80 and 270,719.20

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Solution

The fourth proportional to 1,018,673.20, 1,528,009.80 and 270,719.20 is: 406,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,673.20 : 1,528,009.80 = 270,719.20 : x
  2. Step 2: Convert to fraction form
    1,018,673.20/1,528,009.80 = 270,719.20/x
  3. Step 3: Cross multiply
    1,018,673.20x = 1,528,009.80 × 270,719.20
  4. Step 4: Simplify right side
    1,018,673.20x = 413,661,590,648.16
  5. Step 5: Solve for x
    x = 413,661,590,648.16/1,018,673.20
  6. Step 6: Final answer
    x = 406,078.80

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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.