Home / 1,618,322.90-2,425,454.52-858,288.47

Finding the Fourth Proportional to 1,618,322.90, 2,425,454.52 and 858,288.47

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Solution

The fourth proportional to 1,618,322.90, 2,425,454.52 and 858,288.47 is: 1,286,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,322.90 : 2,425,454.52 = 858,288.47 : x
  2. Step 2: Convert to fraction form
    1,618,322.90/2,425,454.52 = 858,288.47/x
  3. Step 3: Cross multiply
    1,618,322.90x = 2,425,454.52 × 858,288.47
  4. Step 4: Simplify right side
    1,618,322.90x = 2,081,739,636,898.11
  5. Step 5: Solve for x
    x = 2,081,739,636,898.11/1,618,322.90
  6. Step 6: Final answer
    x = 1,286,356.17

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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.