Home / 1,331,545.28-1,997,613.60-384,844.40

Finding the Fourth Proportional to 1,331,545.28, 1,997,613.60 and 384,844.40

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Solution

The fourth proportional to 1,331,545.28, 1,997,613.60 and 384,844.40 is: 577,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,545.28 : 1,997,613.60 = 384,844.40 : x
  2. Step 2: Convert to fraction form
    1,331,545.28/1,997,613.60 = 384,844.40/x
  3. Step 3: Cross multiply
    1,331,545.28x = 1,997,613.60 × 384,844.40
  4. Step 4: Simplify right side
    1,331,545.28x = 768,770,407,323.84
  5. Step 5: Solve for x
    x = 768,770,407,323.84/1,331,545.28
  6. Step 6: Final answer
    x = 577,352.06

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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.