Home / 1,064,395-1,468,865.10-725,455.36

Finding the Fourth Proportional to 1,064,395, 1,468,865.10 and 725,455.36

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Solution

The fourth proportional to 1,064,395, 1,468,865.10 and 725,455.36 is: 1,001,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,395 : 1,468,865.10 = 725,455.36 : x
  2. Step 2: Convert to fraction form
    1,064,395/1,468,865.10 = 725,455.36/x
  3. Step 3: Cross multiply
    1,064,395x = 1,468,865.10 × 725,455.36
  4. Step 4: Simplify right side
    1,064,395x = 1,065,596,059,911.94
  5. Step 5: Solve for x
    x = 1,065,596,059,911.94/1,064,395
  6. Step 6: Final answer
    x = 1,001,128.40

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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.