Home / 1,007,216.98-1,390,059.84-752,125.30

Finding the Fourth Proportional to 1,007,216.98, 1,390,059.84 and 752,125.30

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Solution

The fourth proportional to 1,007,216.98, 1,390,059.84 and 752,125.30 is: 1,038,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,216.98 : 1,390,059.84 = 752,125.30 : x
  2. Step 2: Convert to fraction form
    1,007,216.98/1,390,059.84 = 752,125.30/x
  3. Step 3: Cross multiply
    1,007,216.98x = 1,390,059.84 × 752,125.30
  4. Step 4: Simplify right side
    1,007,216.98x = 1,045,499,174,177.95
  5. Step 5: Solve for x
    x = 1,045,499,174,177.95/1,007,216.98
  6. Step 6: Final answer
    x = 1,038,007.89

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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.