Home / 1,395,018.12-1,925,710.02-942,921.48

Finding the Fourth Proportional to 1,395,018.12, 1,925,710.02 and 942,921.48

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Solution

The fourth proportional to 1,395,018.12, 1,925,710.02 and 942,921.48 is: 1,301,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,018.12 : 1,925,710.02 = 942,921.48 : x
  2. Step 2: Convert to fraction form
    1,395,018.12/1,925,710.02 = 942,921.48/x
  3. Step 3: Cross multiply
    1,395,018.12x = 1,925,710.02 × 942,921.48
  4. Step 4: Simplify right side
    1,395,018.12x = 1,815,793,342,109.23
  5. Step 5: Solve for x
    x = 1,815,793,342,109.23/1,395,018.12
  6. Step 6: Final answer
    x = 1,301,627.07

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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.