Home / 1,687,950.23-2,329,386.89-999,661.24

Finding the Fourth Proportional to 1,687,950.23, 2,329,386.89 and 999,661.24

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Solution

The fourth proportional to 1,687,950.23, 2,329,386.89 and 999,661.24 is: 1,379,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,950.23 : 2,329,386.89 = 999,661.24 : x
  2. Step 2: Convert to fraction form
    1,687,950.23/2,329,386.89 = 999,661.24/x
  3. Step 3: Cross multiply
    1,687,950.23x = 2,329,386.89 × 999,661.24
  4. Step 4: Simplify right side
    1,687,950.23x = 2,328,597,776,075.37
  5. Step 5: Solve for x
    x = 2,328,597,776,075.37/1,687,950.23
  6. Step 6: Final answer
    x = 1,379,541.73

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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.