Home / 1,425,416.52-1,967,075.28-780,859.92

Finding the Fourth Proportional to 1,425,416.52, 1,967,075.28 and 780,859.92

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Solution

The fourth proportional to 1,425,416.52, 1,967,075.28 and 780,859.92 is: 1,077,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,416.52 : 1,967,075.28 = 780,859.92 : x
  2. Step 2: Convert to fraction form
    1,425,416.52/1,967,075.28 = 780,859.92/x
  3. Step 3: Cross multiply
    1,425,416.52x = 1,967,075.28 × 780,859.92
  4. Step 4: Simplify right side
    1,425,416.52x = 1,536,010,245,774.78
  5. Step 5: Solve for x
    x = 1,536,010,245,774.78/1,425,416.52
  6. Step 6: Final answer
    x = 1,077,586.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.