Home / 1,712,278.11-2,362,937.90-987,122.37

Finding the Fourth Proportional to 1,712,278.11, 2,362,937.90 and 987,122.37

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Solution

The fourth proportional to 1,712,278.11, 2,362,937.90 and 987,122.37 is: 1,362,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,278.11 : 2,362,937.90 = 987,122.37 : x
  2. Step 2: Convert to fraction form
    1,712,278.11/2,362,937.90 = 987,122.37/x
  3. Step 3: Cross multiply
    1,712,278.11x = 2,362,937.90 × 987,122.37
  4. Step 4: Simplify right side
    1,712,278.11x = 2,332,508,855,075.21
  5. Step 5: Solve for x
    x = 2,332,508,855,075.21/1,712,278.11
  6. Step 6: Final answer
    x = 1,362,225.47

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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.