Home / 1,346,288.32-1,857,748.80-742,637.44

Finding the Fourth Proportional to 1,346,288.32, 1,857,748.80 and 742,637.44

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Solution

The fourth proportional to 1,346,288.32, 1,857,748.80 and 742,637.44 is: 1,024,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,288.32 : 1,857,748.80 = 742,637.44 : x
  2. Step 2: Convert to fraction form
    1,346,288.32/1,857,748.80 = 742,637.44/x
  3. Step 3: Cross multiply
    1,346,288.32x = 1,857,748.80 × 742,637.44
  4. Step 4: Simplify right side
    1,346,288.32x = 1,379,633,812,995.07
  5. Step 5: Solve for x
    x = 1,379,633,812,995.07/1,346,288.32
  6. Step 6: Final answer
    x = 1,024,768.46

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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.