Home / 1,064,187.04-1,595,810.80-398,872.48

Finding the Fourth Proportional to 1,064,187.04, 1,595,810.80 and 398,872.48

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Solution

The fourth proportional to 1,064,187.04, 1,595,810.80 and 398,872.48 is: 598,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,187.04 : 1,595,810.80 = 398,872.48 : x
  2. Step 2: Convert to fraction form
    1,064,187.04/1,595,810.80 = 398,872.48/x
  3. Step 3: Cross multiply
    1,064,187.04x = 1,595,810.80 × 398,872.48
  4. Step 4: Simplify right side
    1,064,187.04x = 636,525,011,406.78
  5. Step 5: Solve for x
    x = 636,525,011,406.78/1,064,187.04
  6. Step 6: Final answer
    x = 598,132.65

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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.