Home / 1,109,202.21-1,663,674.75-310,547.61

Finding the Fourth Proportional to 1,109,202.21, 1,663,674.75 and 310,547.61

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Solution

The fourth proportional to 1,109,202.21, 1,663,674.75 and 310,547.61 is: 465,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,202.21 : 1,663,674.75 = 310,547.61 : x
  2. Step 2: Convert to fraction form
    1,109,202.21/1,663,674.75 = 310,547.61/x
  3. Step 3: Cross multiply
    1,109,202.21x = 1,663,674.75 × 310,547.61
  4. Step 4: Simplify right side
    1,109,202.21x = 516,650,217,429.85
  5. Step 5: Solve for x
    x = 516,650,217,429.85/1,109,202.21
  6. Step 6: Final answer
    x = 465,785.42

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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.