Home / 723,446.40-1,085,169.60-686,582.40

Finding the Fourth Proportional to 723,446.40, 1,085,169.60 and 686,582.40

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Solution

The fourth proportional to 723,446.40, 1,085,169.60 and 686,582.40 is: 1,029,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,446.40 : 1,085,169.60 = 686,582.40 : x
  2. Step 2: Convert to fraction form
    723,446.40/1,085,169.60 = 686,582.40/x
  3. Step 3: Cross multiply
    723,446.40x = 1,085,169.60 × 686,582.40
  4. Step 4: Simplify right side
    723,446.40x = 745,058,348,375.04
  5. Step 5: Solve for x
    x = 745,058,348,375.04/723,446.40
  6. Step 6: Final answer
    x = 1,029,873.60

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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.