Home / 1,345,808.32-1,857,086.40-742,157.44

Finding the Fourth Proportional to 1,345,808.32, 1,857,086.40 and 742,157.44

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Solution

The fourth proportional to 1,345,808.32, 1,857,086.40 and 742,157.44 is: 1,024,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,808.32 : 1,857,086.40 = 742,157.44 : x
  2. Step 2: Convert to fraction form
    1,345,808.32/1,857,086.40 = 742,157.44/x
  3. Step 3: Cross multiply
    1,345,808.32x = 1,857,086.40 × 742,157.44
  4. Step 4: Simplify right side
    1,345,808.32x = 1,378,250,488,482.82
  5. Step 5: Solve for x
    x = 1,378,250,488,482.82/1,345,808.32
  6. Step 6: Final answer
    x = 1,024,106.08

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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.