Home / 1,267,015.82-1,748,509.98-723,140.60

Finding the Fourth Proportional to 1,267,015.82, 1,748,509.98 and 723,140.60

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Solution

The fourth proportional to 1,267,015.82, 1,748,509.98 and 723,140.60 is: 997,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,015.82 : 1,748,509.98 = 723,140.60 : x
  2. Step 2: Convert to fraction form
    1,267,015.82/1,748,509.98 = 723,140.60/x
  3. Step 3: Cross multiply
    1,267,015.82x = 1,748,509.98 × 723,140.60
  4. Step 4: Simplify right side
    1,267,015.82x = 1,264,418,556,043.19
  5. Step 5: Solve for x
    x = 1,264,418,556,043.19/1,267,015.82
  6. Step 6: Final answer
    x = 997,950.09

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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.