Home / 1,420,097.40-2,129,109.30-578,215.80

Finding the Fourth Proportional to 1,420,097.40, 2,129,109.30 and 578,215.80

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Solution

The fourth proportional to 1,420,097.40, 2,129,109.30 and 578,215.80 is: 866,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,097.40 : 2,129,109.30 = 578,215.80 : x
  2. Step 2: Convert to fraction form
    1,420,097.40/2,129,109.30 = 578,215.80/x
  3. Step 3: Cross multiply
    1,420,097.40x = 2,129,109.30 × 578,215.80
  4. Step 4: Simplify right side
    1,420,097.40x = 1,231,084,637,186.94
  5. Step 5: Solve for x
    x = 1,231,084,637,186.94/1,420,097.40
  6. Step 6: Final answer
    x = 866,901.55

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