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Finding the Fourth Proportional to 876,671.10, 1,314,909.45 and 718,623.90

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Solution

The fourth proportional to 876,671.10, 1,314,909.45 and 718,623.90 is: 1,077,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,671.10 : 1,314,909.45 = 718,623.90 : x
  2. Step 2: Convert to fraction form
    876,671.10/1,314,909.45 = 718,623.90/x
  3. Step 3: Cross multiply
    876,671.10x = 1,314,909.45 × 718,623.90
  4. Step 4: Simplify right side
    876,671.10x = 944,925,357,105.86
  5. Step 5: Solve for x
    x = 944,925,357,105.86/876,671.10
  6. Step 6: Final answer
    x = 1,077,856.17

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