Home / 1,415,337.20-2,123,005.80-942,945.20

Finding the Fourth Proportional to 1,415,337.20, 2,123,005.80 and 942,945.20

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Solution

The fourth proportional to 1,415,337.20, 2,123,005.80 and 942,945.20 is: 1,414,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,337.20 : 2,123,005.80 = 942,945.20 : x
  2. Step 2: Convert to fraction form
    1,415,337.20/2,123,005.80 = 942,945.20/x
  3. Step 3: Cross multiply
    1,415,337.20x = 2,123,005.80 × 942,945.20
  4. Step 4: Simplify right side
    1,415,337.20x = 2,001,878,128,682.16
  5. Step 5: Solve for x
    x = 2,001,878,128,682.16/1,415,337.20
  6. Step 6: Final answer
    x = 1,414,417.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.