Home / 1,223,272.73-1,688,137.24-672,011.62

Finding the Fourth Proportional to 1,223,272.73, 1,688,137.24 and 672,011.62

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Solution

The fourth proportional to 1,223,272.73, 1,688,137.24 and 672,011.62 is: 927,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,272.73 : 1,688,137.24 = 672,011.62 : x
  2. Step 2: Convert to fraction form
    1,223,272.73/1,688,137.24 = 672,011.62/x
  3. Step 3: Cross multiply
    1,223,272.73x = 1,688,137.24 × 672,011.62
  4. Step 4: Simplify right side
    1,223,272.73x = 1,134,447,835,534.36
  5. Step 5: Solve for x
    x = 1,134,447,835,534.36/1,223,272.73
  6. Step 6: Final answer
    x = 927,387.50

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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.