Home / 1,451,605.72-2,000,261.74-1,122,922.18

Finding the Fourth Proportional to 1,451,605.72, 2,000,261.74 and 1,122,922.18

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Solution

The fourth proportional to 1,451,605.72, 2,000,261.74 and 1,122,922.18 is: 1,547,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,605.72 : 2,000,261.74 = 1,122,922.18 : x
  2. Step 2: Convert to fraction form
    1,451,605.72/2,000,261.74 = 1,122,922.18/x
  3. Step 3: Cross multiply
    1,451,605.72x = 2,000,261.74 × 1,122,922.18
  4. Step 4: Simplify right side
    1,451,605.72x = 2,246,138,275,055.05
  5. Step 5: Solve for x
    x = 2,246,138,275,055.05/1,451,605.72
  6. Step 6: Final answer
    x = 1,547,347.35

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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.