Home / 695,628.60-1,043,442.90-686,297.40

Finding the Fourth Proportional to 695,628.60, 1,043,442.90 and 686,297.40

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Solution

The fourth proportional to 695,628.60, 1,043,442.90 and 686,297.40 is: 1,029,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,628.60 : 1,043,442.90 = 686,297.40 : x
  2. Step 2: Convert to fraction form
    695,628.60/1,043,442.90 = 686,297.40/x
  3. Step 3: Cross multiply
    695,628.60x = 1,043,442.90 × 686,297.40
  4. Step 4: Simplify right side
    695,628.60x = 716,112,149,318.46
  5. Step 5: Solve for x
    x = 716,112,149,318.46/695,628.60
  6. Step 6: Final answer
    x = 1,029,446.10

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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.