Home / 1,766,743.02-2,438,165.40-992,510.64

Finding the Fourth Proportional to 1,766,743.02, 2,438,165.40 and 992,510.64

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Solution

The fourth proportional to 1,766,743.02, 2,438,165.40 and 992,510.64 is: 1,369,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,743.02 : 2,438,165.40 = 992,510.64 : x
  2. Step 2: Convert to fraction form
    1,766,743.02/2,438,165.40 = 992,510.64/x
  3. Step 3: Cross multiply
    1,766,743.02x = 2,438,165.40 × 992,510.64
  4. Step 4: Simplify right side
    1,766,743.02x = 2,419,905,101,579.86
  5. Step 5: Solve for x
    x = 2,419,905,101,579.86/1,766,743.02
  6. Step 6: Final answer
    x = 1,369,698.41

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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.