Home / 876,635.60-1,314,856.20-718,588.40

Finding the Fourth Proportional to 876,635.60, 1,314,856.20 and 718,588.40

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Solution

The fourth proportional to 876,635.60, 1,314,856.20 and 718,588.40 is: 1,077,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,635.60 : 1,314,856.20 = 718,588.40 : x
  2. Step 2: Convert to fraction form
    876,635.60/1,314,856.20 = 718,588.40/x
  3. Step 3: Cross multiply
    876,635.60x = 1,314,856.20 × 718,588.40
  4. Step 4: Simplify right side
    876,635.60x = 944,840,412,988.08
  5. Step 5: Solve for x
    x = 944,840,412,988.08/876,635.60
  6. Step 6: Final answer
    x = 1,077,802.92

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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.