Home / 1,423,989.36-1,965,098.01-770,614.86

Finding the Fourth Proportional to 1,423,989.36, 1,965,098.01 and 770,614.86

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Solution

The fourth proportional to 1,423,989.36, 1,965,098.01 and 770,614.86 is: 1,063,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,989.36 : 1,965,098.01 = 770,614.86 : x
  2. Step 2: Convert to fraction form
    1,423,989.36/1,965,098.01 = 770,614.86/x
  3. Step 3: Cross multiply
    1,423,989.36x = 1,965,098.01 × 770,614.86
  4. Step 4: Simplify right side
    1,423,989.36x = 1,514,333,727,862.43
  5. Step 5: Solve for x
    x = 1,514,333,727,862.43/1,423,989.36
  6. Step 6: Final answer
    x = 1,063,444.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.