Home / 1,420,911-2,132,418.54-672,959.16

Finding the Fourth Proportional to 1,420,911, 2,132,418.54 and 672,959.16

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Solution

The fourth proportional to 1,420,911, 2,132,418.54 and 672,959.16 is: 1,009,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,911 : 2,132,418.54 = 672,959.16 : x
  2. Step 2: Convert to fraction form
    1,420,911/2,132,418.54 = 672,959.16/x
  3. Step 3: Cross multiply
    1,420,911x = 2,132,418.54 × 672,959.16
  4. Step 4: Simplify right side
    1,420,911x = 1,435,030,589,446.83
  5. Step 5: Solve for x
    x = 1,435,030,589,446.83/1,420,911
  6. Step 6: Final answer
    x = 1,009,937.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.