Home / 1,383,479.52-2,075,282.91-423,866.40

Finding the Fourth Proportional to 1,383,479.52, 2,075,282.91 and 423,866.40

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Solution

The fourth proportional to 1,383,479.52, 2,075,282.91 and 423,866.40 is: 635,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,479.52 : 2,075,282.91 = 423,866.40 : x
  2. Step 2: Convert to fraction form
    1,383,479.52/2,075,282.91 = 423,866.40/x
  3. Step 3: Cross multiply
    1,383,479.52x = 2,075,282.91 × 423,866.40
  4. Step 4: Simplify right side
    1,383,479.52x = 879,642,696,043.22
  5. Step 5: Solve for x
    x = 879,642,696,043.22/1,383,479.52
  6. Step 6: Final answer
    x = 635,819.09

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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.