Home / 1,492,405.48-2,058,567.78-1,220,867.56

Finding the Fourth Proportional to 1,492,405.48, 2,058,567.78 and 1,220,867.56

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Solution

The fourth proportional to 1,492,405.48, 2,058,567.78 and 1,220,867.56 is: 1,684,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,405.48 : 2,058,567.78 = 1,220,867.56 : x
  2. Step 2: Convert to fraction form
    1,492,405.48/2,058,567.78 = 1,220,867.56/x
  3. Step 3: Cross multiply
    1,492,405.48x = 2,058,567.78 × 1,220,867.56
  4. Step 4: Simplify right side
    1,492,405.48x = 2,513,238,622,663.22
  5. Step 5: Solve for x
    x = 2,513,238,622,663.22/1,492,405.48
  6. Step 6: Final answer
    x = 1,684,018.62

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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.