Home / 1,346,321.16-1,857,893.30-742,709

Finding the Fourth Proportional to 1,346,321.16, 1,857,893.30 and 742,709

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Solution

The fourth proportional to 1,346,321.16, 1,857,893.30 and 742,709 is: 1,024,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,321.16 : 1,857,893.30 = 742,709 : x
  2. Step 2: Convert to fraction form
    1,346,321.16/1,857,893.30 = 742,709/x
  3. Step 3: Cross multiply
    1,346,321.16x = 1,857,893.30 × 742,709
  4. Step 4: Simplify right side
    1,346,321.16x = 1,379,874,074,949.70
  5. Step 5: Solve for x
    x = 1,379,874,074,949.70/1,346,321.16
  6. Step 6: Final answer
    x = 1,024,921.92

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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.