Home / 1,345,881.57-1,857,265.25-742,269.57

Finding the Fourth Proportional to 1,345,881.57, 1,857,265.25 and 742,269.57

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Solution

The fourth proportional to 1,345,881.57, 1,857,265.25 and 742,269.57 is: 1,024,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,881.57 : 1,857,265.25 = 742,269.57 : x
  2. Step 2: Convert to fraction form
    1,345,881.57/1,857,265.25 = 742,269.57/x
  3. Step 3: Cross multiply
    1,345,881.57x = 1,857,265.25 × 742,269.57
  4. Step 4: Simplify right side
    1,345,881.57x = 1,378,591,474,782.09
  5. Step 5: Solve for x
    x = 1,378,591,474,782.09/1,345,881.57
  6. Step 6: Final answer
    x = 1,024,303.70

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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.