Home / 1,019,272.55-1,528,918.06-309,300.61

Finding the Fourth Proportional to 1,019,272.55, 1,528,918.06 and 309,300.61

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Solution

The fourth proportional to 1,019,272.55, 1,528,918.06 and 309,300.61 is: 463,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,272.55 : 1,528,918.06 = 309,300.61 : x
  2. Step 2: Convert to fraction form
    1,019,272.55/1,528,918.06 = 309,300.61/x
  3. Step 3: Cross multiply
    1,019,272.55x = 1,528,918.06 × 309,300.61
  4. Step 4: Simplify right side
    1,019,272.55x = 472,895,290,315.85
  5. Step 5: Solve for x
    x = 472,895,290,315.85/1,019,272.55
  6. Step 6: Final answer
    x = 463,953.72

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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.