Home / 1,238,262.12-1,857,393.59-817,439.58

Finding the Fourth Proportional to 1,238,262.12, 1,857,393.59 and 817,439.58

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Solution

The fourth proportional to 1,238,262.12, 1,857,393.59 and 817,439.58 is: 1,226,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,262.12 : 1,857,393.59 = 817,439.58 : x
  2. Step 2: Convert to fraction form
    1,238,262.12/1,857,393.59 = 817,439.58/x
  3. Step 3: Cross multiply
    1,238,262.12x = 1,857,393.59 × 817,439.58
  4. Step 4: Simplify right side
    1,238,262.12x = 1,518,307,032,017.09
  5. Step 5: Solve for x
    x = 1,518,307,032,017.09/1,238,262.12
  6. Step 6: Final answer
    x = 1,226,159.64

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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.