Home / 1,048,072.12-1,447,437.45-722,232.34

Finding the Fourth Proportional to 1,048,072.12, 1,447,437.45 and 722,232.34

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Solution

The fourth proportional to 1,048,072.12, 1,447,437.45 and 722,232.34 is: 997,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,072.12 : 1,447,437.45 = 722,232.34 : x
  2. Step 2: Convert to fraction form
    1,048,072.12/1,447,437.45 = 722,232.34/x
  3. Step 3: Cross multiply
    1,048,072.12x = 1,447,437.45 × 722,232.34
  4. Step 4: Simplify right side
    1,048,072.12x = 1,045,386,136,517.13
  5. Step 5: Solve for x
    x = 1,045,386,136,517.13/1,048,072.12
  6. Step 6: Final answer
    x = 997,437.22

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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.