Home / 1,293,465.06-1,785,022.26-742,281.61

Finding the Fourth Proportional to 1,293,465.06, 1,785,022.26 and 742,281.61

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Solution

The fourth proportional to 1,293,465.06, 1,785,022.26 and 742,281.61 is: 1,024,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,465.06 : 1,785,022.26 = 742,281.61 : x
  2. Step 2: Convert to fraction form
    1,293,465.06/1,785,022.26 = 742,281.61/x
  3. Step 3: Cross multiply
    1,293,465.06x = 1,785,022.26 × 742,281.61
  4. Step 4: Simplify right side
    1,293,465.06x = 1,324,989,184,402.12
  5. Step 5: Solve for x
    x = 1,324,989,184,402.12/1,293,465.06
  6. Step 6: Final answer
    x = 1,024,371.84

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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.