Home / 1,267,069.12-1,748,068.32-723,235.20

Finding the Fourth Proportional to 1,267,069.12, 1,748,068.32 and 723,235.20

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Solution

The fourth proportional to 1,267,069.12, 1,748,068.32 and 723,235.20 is: 997,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,069.12 : 1,748,068.32 = 723,235.20 : x
  2. Step 2: Convert to fraction form
    1,267,069.12/1,748,068.32 = 723,235.20/x
  3. Step 3: Cross multiply
    1,267,069.12x = 1,748,068.32 × 723,235.20
  4. Step 4: Simplify right side
    1,267,069.12x = 1,264,264,541,028.86
  5. Step 5: Solve for x
    x = 1,264,264,541,028.86/1,267,069.12
  6. Step 6: Final answer
    x = 997,786.56

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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.