Home / 1,560,354.48-2,340,619.20-438,336

Finding the Fourth Proportional to 1,560,354.48, 2,340,619.20 and 438,336

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Solution

The fourth proportional to 1,560,354.48, 2,340,619.20 and 438,336 is: 657,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,354.48 : 2,340,619.20 = 438,336 : x
  2. Step 2: Convert to fraction form
    1,560,354.48/2,340,619.20 = 438,336/x
  3. Step 3: Cross multiply
    1,560,354.48x = 2,340,619.20 × 438,336
  4. Step 4: Simplify right side
    1,560,354.48x = 1,025,977,657,651.20
  5. Step 5: Solve for x
    x = 1,025,977,657,651.20/1,560,354.48
  6. Step 6: Final answer
    x = 657,528.57

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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.