Home / 1,323,143.49-1,825,828.25-742,287.18

Finding the Fourth Proportional to 1,323,143.49, 1,825,828.25 and 742,287.18

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Solution

The fourth proportional to 1,323,143.49, 1,825,828.25 and 742,287.18 is: 1,024,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,143.49 : 1,825,828.25 = 742,287.18 : x
  2. Step 2: Convert to fraction form
    1,323,143.49/1,825,828.25 = 742,287.18/x
  3. Step 3: Cross multiply
    1,323,143.49x = 1,825,828.25 × 742,287.18
  4. Step 4: Simplify right side
    1,323,143.49x = 1,355,288,899,145.40
  5. Step 5: Solve for x
    x = 1,355,288,899,145.40/1,323,143.49
  6. Step 6: Final answer
    x = 1,024,294.73

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Double scale
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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.