Home / 1,487,025.81-2,052,090.54-842,569.02

Finding the Fourth Proportional to 1,487,025.81, 2,052,090.54 and 842,569.02

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Solution

The fourth proportional to 1,487,025.81, 2,052,090.54 and 842,569.02 is: 1,162,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,025.81 : 2,052,090.54 = 842,569.02 : x
  2. Step 2: Convert to fraction form
    1,487,025.81/2,052,090.54 = 842,569.02/x
  3. Step 3: Cross multiply
    1,487,025.81x = 2,052,090.54 × 842,569.02
  4. Step 4: Simplify right side
    1,487,025.81x = 1,729,027,915,239.07
  5. Step 5: Solve for x
    x = 1,729,027,915,239.07/1,487,025.81
  6. Step 6: Final answer
    x = 1,162,742.37

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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.