Home / 1,064,385-1,468,851.30-725,445.36

Finding the Fourth Proportional to 1,064,385, 1,468,851.30 and 725,445.36

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Solution

The fourth proportional to 1,064,385, 1,468,851.30 and 725,445.36 is: 1,001,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,385 : 1,468,851.30 = 725,445.36 : x
  2. Step 2: Convert to fraction form
    1,064,385/1,468,851.30 = 725,445.36/x
  3. Step 3: Cross multiply
    1,064,385x = 1,468,851.30 × 725,445.36
  4. Step 4: Simplify right side
    1,064,385x = 1,065,571,360,114.97
  5. Step 5: Solve for x
    x = 1,065,571,360,114.97/1,064,385
  6. Step 6: Final answer
    x = 1,001,114.60

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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.