Home / 1,776,009.40-2,664,359.70-765,129.40

Finding the Fourth Proportional to 1,776,009.40, 2,664,359.70 and 765,129.40

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Solution

The fourth proportional to 1,776,009.40, 2,664,359.70 and 765,129.40 is: 1,147,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,009.40 : 2,664,359.70 = 765,129.40 : x
  2. Step 2: Convert to fraction form
    1,776,009.40/2,664,359.70 = 765,129.40/x
  3. Step 3: Cross multiply
    1,776,009.40x = 2,664,359.70 × 765,129.40
  4. Step 4: Simplify right side
    1,776,009.40x = 2,038,579,938,645.18
  5. Step 5: Solve for x
    x = 2,038,579,938,645.18/1,776,009.40
  6. Step 6: Final answer
    x = 1,147,842.99

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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.