Home / 903,360.84-1,243,509.12-780,797.40

Finding the Fourth Proportional to 903,360.84, 1,243,509.12 and 780,797.40

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Solution

The fourth proportional to 903,360.84, 1,243,509.12 and 780,797.40 is: 1,074,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,360.84 : 1,243,509.12 = 780,797.40 : x
  2. Step 2: Convert to fraction form
    903,360.84/1,243,509.12 = 780,797.40/x
  3. Step 3: Cross multiply
    903,360.84x = 1,243,509.12 × 780,797.40
  4. Step 4: Simplify right side
    903,360.84x = 970,928,687,772.29
  5. Step 5: Solve for x
    x = 970,928,687,772.29/903,360.84
  6. Step 6: Final answer
    x = 1,074,796.08

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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.