Home / 1,664,805.56-2,497,209.55-402,634.40

Finding the Fourth Proportional to 1,664,805.56, 2,497,209.55 and 402,634.40

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Solution

The fourth proportional to 1,664,805.56, 2,497,209.55 and 402,634.40 is: 603,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,805.56 : 2,497,209.55 = 402,634.40 : x
  2. Step 2: Convert to fraction form
    1,664,805.56/2,497,209.55 = 402,634.40/x
  3. Step 3: Cross multiply
    1,664,805.56x = 2,497,209.55 × 402,634.40
  4. Step 4: Simplify right side
    1,664,805.56x = 1,005,462,455,345.89
  5. Step 5: Solve for x
    x = 1,005,462,455,345.89/1,664,805.56
  6. Step 6: Final answer
    x = 603,951.89

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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.