Home / 1,018,722.28-1,528,081.77-270,768.28

Finding the Fourth Proportional to 1,018,722.28, 1,528,081.77 and 270,768.28

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Solution

The fourth proportional to 1,018,722.28, 1,528,081.77 and 270,768.28 is: 406,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,722.28 : 1,528,081.77 = 270,768.28 : x
  2. Step 2: Convert to fraction form
    1,018,722.28/1,528,081.77 = 270,768.28/x
  3. Step 3: Cross multiply
    1,018,722.28x = 1,528,081.77 × 270,768.28
  4. Step 4: Simplify right side
    1,018,722.28x = 413,756,072,562.26
  5. Step 5: Solve for x
    x = 413,756,072,562.26/1,018,722.28
  6. Step 6: Final answer
    x = 406,151.98

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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.