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Finding the Fourth Proportional to 1,064,397, 1,468,867.86 and 725,457.36

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Solution

The fourth proportional to 1,064,397, 1,468,867.86 and 725,457.36 is: 1,001,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,397 : 1,468,867.86 = 725,457.36 : x
  2. Step 2: Convert to fraction form
    1,064,397/1,468,867.86 = 725,457.36/x
  3. Step 3: Cross multiply
    1,064,397x = 1,468,867.86 × 725,457.36
  4. Step 4: Simplify right side
    1,064,397x = 1,065,600,999,904.45
  5. Step 5: Solve for x
    x = 1,065,600,999,904.45/1,064,397
  6. Step 6: Final answer
    x = 1,001,131.16

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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.