Home / 1,555,209.75-2,332,948.28-433,278.75

Finding the Fourth Proportional to 1,555,209.75, 2,332,948.28 and 433,278.75

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Solution

The fourth proportional to 1,555,209.75, 2,332,948.28 and 433,278.75 is: 649,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,209.75 : 2,332,948.28 = 433,278.75 : x
  2. Step 2: Convert to fraction form
    1,555,209.75/2,332,948.28 = 433,278.75/x
  3. Step 3: Cross multiply
    1,555,209.75x = 2,332,948.28 × 433,278.75
  4. Step 4: Simplify right side
    1,555,209.75x = 1,010,816,912,406.66
  5. Step 5: Solve for x
    x = 1,010,816,912,406.66/1,555,209.75
  6. Step 6: Final answer
    x = 649,955.36

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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.