Home / 1,142,089.11-1,713,153.24-432,451.35

Finding the Fourth Proportional to 1,142,089.11, 1,713,153.24 and 432,451.35

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Solution

The fourth proportional to 1,142,089.11, 1,713,153.24 and 432,451.35 is: 648,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,089.11 : 1,713,153.24 = 432,451.35 : x
  2. Step 2: Convert to fraction form
    1,142,089.11/1,713,153.24 = 432,451.35/x
  3. Step 3: Cross multiply
    1,142,089.11x = 1,713,153.24 × 432,451.35
  4. Step 4: Simplify right side
    1,142,089.11x = 740,855,431,394.87
  5. Step 5: Solve for x
    x = 740,855,431,394.87/1,142,089.11
  6. Step 6: Final answer
    x = 648,684.44

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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.