Home / 1,073,780.28-1,611,837.45-434,524.01

Finding the Fourth Proportional to 1,073,780.28, 1,611,837.45 and 434,524.01

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Solution

The fourth proportional to 1,073,780.28, 1,611,837.45 and 434,524.01 is: 652,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,780.28 : 1,611,837.45 = 434,524.01 : x
  2. Step 2: Convert to fraction form
    1,073,780.28/1,611,837.45 = 434,524.01/x
  3. Step 3: Cross multiply
    1,073,780.28x = 1,611,837.45 × 434,524.01
  4. Step 4: Simplify right side
    1,073,780.28x = 700,382,064,182.99
  5. Step 5: Solve for x
    x = 700,382,064,182.99/1,073,780.28
  6. Step 6: Final answer
    x = 652,258.27

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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.