Home / 1,346,320.16-1,857,891.92-742,708

Finding the Fourth Proportional to 1,346,320.16, 1,857,891.92 and 742,708

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Solution

The fourth proportional to 1,346,320.16, 1,857,891.92 and 742,708 is: 1,024,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,320.16 : 1,857,891.92 = 742,708 : x
  2. Step 2: Convert to fraction form
    1,346,320.16/1,857,891.92 = 742,708/x
  3. Step 3: Cross multiply
    1,346,320.16x = 1,857,891.92 × 742,708
  4. Step 4: Simplify right side
    1,346,320.16x = 1,379,871,192,119.36
  5. Step 5: Solve for x
    x = 1,379,871,192,119.36/1,346,320.16
  6. Step 6: Final answer
    x = 1,024,920.54

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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.